diff --git a/.github/workflows/testcafe_tests.yml b/.github/workflows/testcafe_tests.yml
index 61df1f26ef14..e4d51eb84cd5 100644
--- a/.github/workflows/testcafe_tests.yml
+++ b/.github/workflows/testcafe_tests.yml
@@ -212,33 +212,33 @@ jobs:
         run: |
           base_matrix_start=$(cat <<'JSON'
           [
-            { "componentFolder": "accessibility", "name": "accessibility" }
+            { "componentFolder": "accessibility", "name": "accessibility", "concurrency": 6 }
           ]
           JSON
           )
 
           base_matrix_end=$(cat <<'JSON'
           [
-            { "componentFolder": "common", "name": "common", "concurrency": 2 },
+            { "componentFolder": "common", "name": "common", "concurrency": 3 },
 
             { "name": "generic", "theme": "generic.light", "concurrency": 2 },
             { "name": "material", "theme": "material.blue.light", "concurrency": 2 },
             { "name": "material - compact", "theme": "material.blue.light.compact", "concurrency": 2 },
 
             { "componentFolder": "cardView", "name": "cardView" },
-            { "componentFolder": "dataGrid", "name": "dataGrid (1/4)", "indices": "1/4", "cache": true, "concurrency": 6 },
-            { "componentFolder": "dataGrid", "name": "dataGrid (2/4)", "indices": "2/4", "cache": true, "concurrency": 6 },
-            { "componentFolder": "dataGrid", "name": "dataGrid (3/4)", "indices": "3/4", "cache": true, "concurrency": 6 },
-            { "componentFolder": "dataGrid", "name": "dataGrid (4/4)", "indices": "4/4", "cache": true, "concurrency": 6 },
+            { "componentFolder": "dataGrid", "name": "dataGrid (1/4)", "indices": "1/4", "cache": true, "concurrency": 5 },
+            { "componentFolder": "dataGrid", "name": "dataGrid (2/4)", "indices": "2/4", "cache": true, "concurrency": 5 },
+            { "componentFolder": "dataGrid", "name": "dataGrid (3/4)", "indices": "3/4", "cache": true, "concurrency": 5 },
+            { "componentFolder": "dataGrid", "name": "dataGrid (4/4)", "indices": "4/4", "cache": true, "concurrency": 5 },
 
             { "componentFolder": "editors", "name": "editors" },
             { "componentFolder": "navigation", "name": "navigation", "concurrency": 6 },
 
-            { "componentFolder": "scheduler/common", "name": "scheduler / common (1/3)", "indices": "1/3" },
-            { "componentFolder": "scheduler/common", "name": "scheduler / common (2/3)", "indices": "2/3" },
-            { "componentFolder": "scheduler/common", "name": "scheduler / common (3/3)", "indices": "3/3" },
-            { "componentFolder": "scheduler/viewOffset", "name": "scheduler / viewOffset (1/2)", "indices": "1/2" },
-            { "componentFolder": "scheduler/viewOffset", "name": "scheduler / viewOffset (2/2)", "indices": "2/2" },
+            { "componentFolder": "scheduler/common", "name": "scheduler / common (1/3)", "indices": "1/3", "concurrency": 6 },
+            { "componentFolder": "scheduler/common", "name": "scheduler / common (2/3)", "indices": "2/3", "concurrency": 6 },
+            { "componentFolder": "scheduler/common", "name": "scheduler / common (3/3)", "indices": "3/3", "concurrency": 6 },
+            { "componentFolder": "scheduler/viewOffset", "name": "scheduler / viewOffset (1/2)", "indices": "1/2", "concurrency": 4 },
+            { "componentFolder": "scheduler/viewOffset", "name": "scheduler / viewOffset (2/2)", "indices": "2/2", "concurrency": 4 },
             { "componentFolder": "scheduler/timezones", "name": "scheduler / timezones (Europe/Berlin)", "timezone": "Europe/Berlin" },
             { "componentFolder": "scheduler/timezones", "name": "scheduler / timezones (America/Los_Angeles)", "timezone": "America/Los_Angeles" }
           ]
@@ -247,10 +247,10 @@ jobs:
 
           style_dependent_matrix=$(cat <<'JSON'
           [
-            { "componentFolder": "accessibility", "name": "accessibility - fluent.dark", "theme": "fluent.blue.dark" },
-            { "componentFolder": "accessibility", "name": "accessibility - material.light", "theme": "material.blue.light" },
-            { "componentFolder": "accessibility", "name": "accessibility - material.dark", "theme": "material.blue.dark" }
-          ]
+            { "componentFolder": "accessibility", "name": "accessibility - fluent.dark", "theme": "fluent.blue.dark", "concurrency": 6 },
+              { "componentFolder": "accessibility", "name": "accessibility - material.light", "theme": "material.blue.light", "concurrency": 6 },
+              { "componentFolder": "accessibility", "name": "accessibility - material.dark", "theme": "material.blue.dark", "concurrency": 6 }
+            ]
           JSON
           )
 
@@ -346,7 +346,8 @@ jobs:
         [ "${{ matrix.concurrency }}" != "" ] && CONCURRENCY="--concurrency ${{ matrix.concurrency }}"
         [ "${{ matrix.platform }}" != "" ] && PLATFORM="--platform ${{ matrix.platform }}"
         [ "${{ matrix.cache }}" == "true" ] && CACHE="--cache true"
-        all_args="--browsers=chrome:devextreme-shr2 $COMPONENT_FOLDER $CONCURRENCY $INDICES $PLATFORM $THEME $CACHE"
+        REPORT_UNSTABLE="--reportUnstable ./artifacts/unstable-report/report.json"
+        all_args="--browsers=chrome:devextreme-shr2 $COMPONENT_FOLDER $CONCURRENCY $INDICES $PLATFORM $THEME $CACHE $REPORT_UNSTABLE"
         echo "$all_args"
         pnpm run test $all_args
 
@@ -354,6 +355,29 @@ jobs:
       if: ${{ always() }}
       run: echo "JOB_NAME=$(echo "${{ matrix.name }}" | tr '/' '-')" >> $GITHUB_ENV
 
+    - name: Add run config to unstable test report
+      if: ${{ always() }}
+      working-directory: ./e2e/testcafe-devextreme
+      run: |
+        report=artifacts/unstable-report/report.json
+        if [ -f "$report" ]; then
+          jq --arg theme "${{ matrix.theme }}" \
+             --arg componentFolder "${{ matrix.componentFolder }}" \
+             --arg timezone "${{ matrix.timezone }}" \
+             --arg platform "${{ matrix.platform }}" \
+             '. + { theme: $theme, componentFolder: $componentFolder, timezone: $timezone, platform: $platform }' \
+             "$report" > "$report.tmp" && mv "$report.tmp" "$report"
+          cat "$report"
+        fi
+
+    - name: Upload unstable test report
+      if: ${{ always() }}
+      uses: actions/upload-artifact@v7
+      with:
+        name: unstable-report-${{ env.JOB_NAME }}
+        path: ${{ github.workspace }}/e2e/testcafe-devextreme/artifacts/unstable-report/report.json
+        if-no-files-found: ignore
+
     - name: Copy compared screenshot artifacts
       if: ${{ always() }}
       uses: actions/upload-artifact@v7
@@ -370,9 +394,211 @@ jobs:
         path: ${{ github.workspace }}/e2e/testcafe-devextreme/artifacts/failedtests/**/*
         if-no-files-found: ignore
 
+  testcafe-unstable:
+    name: unstable
+    needs: [check-should-run, build, testcafe]
+    if: |
+      !cancelled() &&
+      needs.check-should-run.outputs.should-run == 'true' &&
+      needs.build.result == 'success'
+    runs-on: devextreme-shr2
+    timeout-minutes: 45
+
+    steps:
+    - name: Set machine timezone
+      run: |
+        sudo ln -sf /usr/share/zoneinfo/GMT /etc/localtime
+        date
+
+    - name: Get sources
+      uses: actions/checkout@v6
+
+    - name: Download artifacts
+      uses: actions/download-artifact@v8
+      with:
+        name: devextreme-artifacts
+        path: ./packages/devextreme
+
+    - name: Unpack artifacts
+      working-directory: ./packages/devextreme
+      run: 7z x artifacts.zip -aoa
+
+    - name: Setup Chrome
+      uses: ./.github/actions/setup-chrome
+      with:
+        chrome-version: '149.0.7827.114'
+
+    - name: Use Node.js
+      uses: actions/setup-node@v6
+      with:
+        node-version-file: '.node-version'
+
+    - uses: pnpm/action-setup@v6
+      with:
+        run_install: false
+
+    - name: Get pnpm store directory
+      shell: bash
+      run: |
+        echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+
+    - uses: actions/cache/restore@v5
+      name: Restore pnpm cache
+      with:
+        path: ${{ env.STORE_PATH }}
+        key: ${{ runner.os }}-pnpm-cache-${{ hashFiles('**/pnpm-lock.yaml') }}
+        restore-keys: |
+          ${{ runner.os }}-pnpm-cache
+
+    - name: Install dependencies
+      run: pnpm install --frozen-lockfile
+
+    - name: Download unstable test reports
+      uses: actions/download-artifact@v8
+      with:
+        pattern: unstable-report-*
+        path: ./e2e/testcafe-devextreme/unstable-reports
+
+    - name: Run unstable tests
+      working-directory: ./e2e/testcafe-devextreme
+      env:
+        NODE_OPTIONS: --max-old-space-size=8192
+      run: |
+        last_failed=0
+        rerun_failed=0
+        unstable_failed=0
+        result=./artifacts/unstable-run-result.json
+        new_flakes_summary=./artifacts/new-flakes-summary.txt
+        mkdir -p ./artifacts
+        : > "$new_flakes_summary"
+
+        # Every test gets up to 3 attempts (initial run + 2 retries) and passes
+        # if at least one attempt succeeds. A reported failure means all attempts failed.
+        run_tests() {
+          local rc=0
+          rm -f "$result"
+          pnpm run test --browsers=chrome:devextreme-shr2 --concurrency 1 --retryAttempts 2 --forcePageReloads true --reportFailures "$result" "$@" || rc=$?
+          if [ ! -f "$result" ]; then
+            echo "Test runner crashed (exit code $rc)"
+            exit 1
+          fi
+          last_failed=$(jq '.failedCount // (.tests | length)' "$result")
+          echo " > tests that failed all attempts in this run: $last_failed"
+        }
+
+        shopt -s nullglob
+        for report in unstable-reports/*/report.json; do
+          job_name=$(basename "$(dirname "$report")")
+          job_name=${job_name#unstable-report-}
+
+          echo ""
+          echo "============================================================"
+          echo " [NEW FLAKY] Rerun of test(s) that failed once in job '$job_name'"
+          echo "============================================================"
+          cat "$report"
+
+          theme=$(jq -r '.theme // empty' "$report")
+          componentFolder=$(jq -r '.componentFolder // empty' "$report")
+          timezone=$(jq -r '.timezone // empty' "$report")
+          platform=$(jq -r '.platform // empty' "$report")
+
+          sudo ln -sf "/usr/share/zoneinfo/${timezone:-GMT}" /etc/localtime
+
+          extra_args=(--testsFile "$report" --theme "${theme:-fluent.blue.light}")
+          [ -n "$componentFolder" ] && extra_args+=(--componentFolder "$componentFolder")
+          [ -n "$platform" ] && extra_args+=(--platform "$platform")
+
+          run_tests "${extra_args[@]}"
+          rerun_failed=$((rerun_failed + last_failed))
+
+          while IFS= read -r name; do
+            if jq -e --arg n "$name" '.tests | index($n)' "$result" > /dev/null; then
+              echo "FAILED | $name | $job_name" >> "$new_flakes_summary"
+            else
+              echo "passed | $name | $job_name" >> "$new_flakes_summary"
+            fi
+          done < <(jq -r '.tests[]' "$report")
+        done
+
+        sudo ln -sf /usr/share/zoneinfo/GMT /etc/localtime
+
+        echo ""
+        echo "============================================================"
+        echo " [KNOWN UNSTABLE] Run of all tests marked with test.meta({ unstable: true })"
+        echo "============================================================"
+        run_tests --onlyUnstable true
+        unstable_failed=$last_failed
+        meta_failed_names=$(jq -r '.tests[]' "$result")
+
+        echo ""
+        echo "============================================================"
+        echo " UNSTABLE JOB SUMMARY"
+        echo "============================================================"
+        echo " NEW flaky tests (failed once in a regular job, rerun here):"
+        if [ -s "$new_flakes_summary" ]; then
+          sed 's/^/   /' "$new_flakes_summary"
+        else
+          echo "   (none)"
+        fi
+        echo ""
+        echo " KNOWN unstable tests (test.meta({ unstable: true })), failed all attempts: $unstable_failed"
+        if [ -n "$meta_failed_names" ]; then
+          echo "$meta_failed_names" | sed 's/^/   FAILED | /'
+        fi
+        echo "============================================================"
+
+        {
+          echo "## Unstable job summary"
+          echo ""
+          echo "### New flaky tests (forwarded from regular jobs)"
+          if [ -s "$new_flakes_summary" ]; then
+            echo ""
+            echo "| Result | Test | Source job |"
+            echo "|---|---|---|"
+            awk -F' \\| ' '{ printf "| %s | %s | %s |\n", $1, $2, $3 }' "$new_flakes_summary"
+          else
+            echo ""
+            echo "_none_"
+          fi
+          echo ""
+          echo "### Known unstable tests (\`test.meta({ unstable: true })\`)"
+          echo ""
+          echo "Failed all attempts: **$unstable_failed**"
+          if [ -n "$meta_failed_names" ]; then
+            echo ""
+            echo "$meta_failed_names" | sed 's/^/- /'
+          fi
+        } >> "$GITHUB_STEP_SUMMARY"
+
+        if [ "$rerun_failed" -gt 0 ]; then
+          echo "A NEW flaky test failed all attempts."
+          echo "This is a persistent failure, not a flake - marking the job as failed."
+          exit 1
+        fi
+        if [ "$unstable_failed" -gt 1 ]; then
+          echo "More than one KNOWN unstable test failed - marking the job as failed."
+          exit 1
+        fi
+
+    - name: Copy compared screenshot artifacts
+      if: ${{ always() }}
+      uses: actions/upload-artifact@v7
+      with:
+        name: compared-screenshots-unstable
+        path: ${{ github.workspace }}/e2e/testcafe-devextreme/artifacts/compared-screenshots/**/*
+        if-no-files-found: ignore
+
+    - name: Copy failed test artifacts
+      if: ${{ always() }}
+      uses: actions/upload-artifact@v7
+      with:
+        name: failed-tests-unstable
+        path: ${{ github.workspace }}/e2e/testcafe-devextreme/artifacts/failedtests/**/*
+        if-no-files-found: ignore
+
   merge-artifacts:
     runs-on: ubuntu-latest
-    needs: testcafe
+    needs: [testcafe, testcafe-unstable]
     if: ${{ always() }}
 
     steps:
@@ -392,10 +618,19 @@ jobs:
         pattern: failed-tests-*
         delete-merged: true
 
+    - name: Merge unstable test reports
+      uses: actions/upload-artifact/merge@v7
+      continue-on-error: true
+      with:
+        name: unstable-reports
+        pattern: unstable-report-*
+        separate-directories: true
+        delete-merged: true
+
   notify:
     runs-on: ubuntu-latest
     name: Send notifications
-    needs: [build, testcafe]
+    needs: [build, testcafe, testcafe-unstable]
     if: github.event_name != 'pull_request' && contains(needs.*.result, 'failure')
 
     steps:
diff --git a/apps/demos/utils/visual-tests/testcafe-runner.ts b/apps/demos/utils/visual-tests/testcafe-runner.ts
index 8481d6b760cd..869255d77d3d 100644
--- a/apps/demos/utils/visual-tests/testcafe-runner.ts
+++ b/apps/demos/utils/visual-tests/testcafe-runner.ts
@@ -91,7 +91,7 @@ async function main() {
     .browsers(process.env.BROWSERS || 'chrome --no-sandbox --disable-dev-shm-usage --disable-partial-raster --disable-skia-runtime-opts --run-all-compositor-stages-before-draw --disable-new-content-rendering-timeout --disable-threaded-animation --disable-threaded-scrolling --disable-checker-imaging --disable-image-animation-resync --use-gl=swiftshader --disable-features=PaintHolding --js-flags=--random-seed=2147483647 --font-render-hinting=none --disable-font-subpixel-positioning')
     .concurrency(concurrency || 1)
     .run({
-      quarantineMode: { successThreshold: 1, attemptLimit: 2 },
+      quarantineMode: { successThreshold: 1, attemptLimit: 3 },
       // @ts-expect-error ts-error
       hooks: {
         test: {
diff --git a/e2e/testcafe-devextreme/runner.ts b/e2e/testcafe-devextreme/runner.ts
index 9db32f845c24..f5345762373c 100644
--- a/e2e/testcafe-devextreme/runner.ts
+++ b/e2e/testcafe-devextreme/runner.ts
@@ -1,6 +1,7 @@
 /* eslint-disable spellcheck/spell-checker */
 import createTestCafe, { ClientFunction } from 'testcafe';
 import * as fs from 'fs';
+import * as path from 'path';
 import * as process from 'process';
 import parseArgs from 'minimist';
 import { DEFAULT_BROWSER_SIZE } from './helpers/const';
@@ -54,8 +55,14 @@ interface ParsedArgs {
   theme: string;
   shadowDom: boolean;
   skipUnstable: boolean;
+  onlyUnstable: boolean;
   disableScreenshots: boolean;
   retryFailed: boolean;
+  testsFile: string;
+  reportUnstable: string;
+  reportFailures: string;
+  retryAttempts: number;
+  forcePageReloads: boolean;
 }
 
 const getTestCafeConfig = (cache: boolean): Partial<TestCafeConfigurationOptions> => ({
@@ -113,12 +120,28 @@ function getArgs(): ParsedArgs {
       theme: '',
       shadowDom: false,
       skipUnstable: true,
+      onlyUnstable: false,
       disableScreenshots: false,
       retryFailed: true,
+      testsFile: '',
+      reportUnstable: '',
+      reportFailures: '',
+      retryAttempts: FAILED_TESTS_RETRY_ATTEMPTS,
+      forcePageReloads: false,
     },
   }) as ParsedArgs;
 }
 
+function writeTestsReport(reportPath: string, tests: Set<string>, failedCount?: number): void {
+  fs.mkdirSync(path.dirname(reportPath), { recursive: true });
+  fs.writeFileSync(
+    reportPath,
+    // failedCount can exceed tests.size: failures in test.before hooks
+    // don't reach the test.after hook, so their names are unknown
+    JSON.stringify({ tests: [...tests], failedCount: failedCount ?? tests.size }, null, 2),
+  );
+}
+
 async function main() {
   let testCafe: Awaited<ReturnType<typeof createTestCafe>> | null = null;
 
@@ -138,6 +161,13 @@ async function main() {
     const componentFolderArg = typeof args.componentFolder === 'string' ? args.componentFolder.trim() : '';
     const componentFolder = componentFolderArg ? `${componentFolderArg}/**` : '**';
 
+    const onlyUnstable = `${args.onlyUnstable}` === 'true';
+    const retryAttempts = Number(args.retryAttempts) || 0;
+    const forcePageReloads = `${args.forcePageReloads}` === 'true';
+    const testsFromFile = new Set<string>(
+      args.testsFile ? JSON.parse(fs.readFileSync(args.testsFile, 'utf8')).tests : [],
+    );
+
     if (fs.existsSync('./screenshots')) {
       fs.rmSync('./screenshots', { recursive: true });
     }
@@ -190,11 +220,22 @@ async function main() {
         filters.push((name: string) => name === testName);
       }
 
+      if (testsFromFile.size > 0) {
+        filters.push((name: string) => testsFromFile.has(name));
+      }
+
       if (filterByFailedTests && testsToFilter && testsToFilter.size > 0) {
         filters.push((name: string) => testsToFilter.has(name));
       }
 
-      if (args.skipUnstable) {
+      if (onlyUnstable) {
+        filters.push((
+          _testName: string,
+          _fixtureName: string,
+          _fixturePath: string,
+          testMeta?: any,
+        ) => !!(testMeta)?.unstable);
+      } else if (args.skipUnstable) {
         filters.push((
           _testName: string,
           _fixtureName: string,
@@ -255,6 +296,17 @@ async function main() {
       hooks: {
         test: {
           before: async (t: TestController) => {
+            if (forcePageReloads) {
+              // Fresh page per test even for fixtures with disablePageReloads:
+              // leftover DOM/window state from a previous test is a common
+              // source of cascading failures in the unstable run
+              const href = await ClientFunction(
+                () => window.location.href,
+              ).with({ boundTestRun: t })();
+
+              await t.navigateTo(href);
+            }
+
             if (args.shadowDom) {
               await loadShadowDomExtension(t);
               await addShadowRootTree(t);
@@ -290,12 +342,10 @@ async function main() {
           after: async (t: TestController) => {
             await clearTestPage(t);
 
-            if (args.retryFailed) {
-              // @ts-expect-error ts-errors
-              const { test, errs } = t.testRun;
-              if (errs && errs.length > 0) {
-                failedTests.add(test.name);
-              }
+            // @ts-expect-error ts-errors
+            const { test, errs } = t.testRun;
+            if (errs && errs.length > 0) {
+              failedTests.add(test.name);
             }
           },
         },
@@ -313,15 +363,23 @@ async function main() {
     // Retry failed tests multiple times if enabled and there are failures
     if (args.retryFailed && failedTests.size > 0 && failedCount > 0) {
       const initialFailedCount = failedTests.size;
-      let attemptsLeft = FAILED_TESTS_RETRY_ATTEMPTS;
+      let attemptsLeft = retryAttempts;
 
       while (attemptsLeft > 0 && failedCount > 0) {
-        const attemptNumber = FAILED_TESTS_RETRY_ATTEMPTS - attemptsLeft + 1;
+        if (failedTests.size === 0) {
+          // Failures in test.before hooks don't reach the test.after hook,
+          // so their names are unknown - retrying would rerun the whole suite.
+          // eslint-disable-next-line no-console
+          console.info('Failed tests could not be identified (hook failures) - skipping retries.');
+          break;
+        }
+
+        const attemptNumber = retryAttempts - attemptsLeft + 1;
 
         /* eslint-disable no-console */
         console.info('\n');
         console.info('='.repeat(60));
-        console.info(`RETRY ATTEMPT ${attemptNumber}/${FAILED_TESTS_RETRY_ATTEMPTS}`);
+        console.info(`RETRY ATTEMPT ${attemptNumber}/${retryAttempts}`);
         console.info(`Retrying ${failedTests.size} failed test(s)`);
         console.info('='.repeat(60));
         console.info('Failed tests:');
@@ -369,7 +427,7 @@ async function main() {
       console.info('FINAL RETRY RESULTS');
       console.info('='.repeat(60));
       console.info(`Initially failed: ${initialFailedCount}`);
-      console.info(`Total retry attempts used: ${FAILED_TESTS_RETRY_ATTEMPTS - attemptsLeft}`);
+      console.info(`Total retry attempts used: ${retryAttempts - attemptsLeft}`);
       console.info(`Final failing count: ${failedCount}`);
       console.info(`Successfully recovered: ${initialFailedCount - failedCount}`);
       console.info('='.repeat(60));
@@ -377,6 +435,25 @@ async function main() {
       /* eslint-enable no-console */
     }
 
+    if (args.reportFailures) {
+      writeTestsReport(args.reportFailures, failedTests, failedCount);
+    }
+
+    if (args.reportUnstable && failedCount === 1 && failedTests.size === 1) {
+      writeTestsReport(args.reportUnstable, failedTests);
+
+      /* eslint-disable no-console */
+      console.info('\n');
+      console.info('='.repeat(60));
+      console.info(`Single failed test "${[...failedTests][0]}" is treated as unstable.`);
+      console.info('It will be rerun in the "unstable" job.');
+      console.info('='.repeat(60));
+      console.info('\n');
+      /* eslint-enable no-console */
+
+      failedCount = 0;
+    }
+
     await testCafe.close();
 
     process.exit(failedCount);
diff --git a/e2e/testcafe-devextreme/tests/common/pivotGrid/fieldPanel/T1283238_OLAP_drag_and_drop_field.ts b/e2e/testcafe-devextreme/tests/common/pivotGrid/fieldPanel/T1283238_OLAP_drag_and_drop_field.ts
index 35d637e02022..439a843a37b7 100644
--- a/e2e/testcafe-devextreme/tests/common/pivotGrid/fieldPanel/T1283238_OLAP_drag_and_drop_field.ts
+++ b/e2e/testcafe-devextreme/tests/common/pivotGrid/fieldPanel/T1283238_OLAP_drag_and_drop_field.ts
@@ -1,12 +1,23 @@
 import { createScreenshotsComparer } from 'devextreme-screenshot-comparer';
 import PivotGrid from 'devextreme-testcafe-models/pivotGrid';
+import { ClientFunction } from 'testcafe';
 import { createWidget } from '../../../../helpers/createWidget';
 import url from '../../../../helpers/getPageUrl';
 import { testScreenshot } from '../../../../helpers/themeUtils';
 import { OLAPApiMock } from '../apiMocks/OLAP_api.mock';
 
+// After drag-n-drop the dragged field chip may keep focus depending on timing,
+// and its focus ring does not match the etalon (unstable in CI)
+const blurActiveElement = ClientFunction(() => {
+  (document.activeElement as HTMLElement | null)?.blur();
+});
+
 fixture.disablePageReloads`pivotGrid_olap_drag-n-drop`
-  .page(url(__dirname, '../../container.html'));
+  // NOTE: '../../container.html' pointed to a nonexistent tests/common/container.html;
+  // the fixture only worked when a page from a previous fixture was already loaded
+  // (disablePageReloads) and failed when it ran first in a fresh browser session
+  .page(url(__dirname, '../../../container.html'))
+  .requestHooks(OLAPApiMock);
 
 const PIVOT_GRID_SELECTOR = '#container';
 
@@ -28,6 +39,8 @@ const PIVOT_GRID_SELECTOR = '#container';
     );
     await t.expect(loadPanel.isInvisible()).ok();
 
+    await blurActiveElement();
+
     await testScreenshot(
       t,
       takeScreenshot,
@@ -37,8 +50,7 @@ const PIVOT_GRID_SELECTOR = '#container';
 
     await t.expect(compareResults.isValid())
       .ok(compareResults.errorMessages());
-  }).before(async (t) => {
-    await t.addRequestHooks(OLAPApiMock);
+  }).before(async () => {
     await createWidget('dxPivotGrid', {
       height: 500,
       fieldPanel: { visible: true },
diff --git a/e2e/testcafe-devextreme/tests/editors/dateRangeBox/keyboard.ts b/e2e/testcafe-devextreme/tests/editors/dateRangeBox/keyboard.ts
index 972c4e280576..193caf54d307 100644
--- a/e2e/testcafe-devextreme/tests/editors/dateRangeBox/keyboard.ts
+++ b/e2e/testcafe-devextreme/tests/editors/dateRangeBox/keyboard.ts
@@ -424,8 +424,8 @@ test('DateRangeBox should be closed by press esc key when views wrapper in popup
   applyValueMode: 'useButtons',
 }));
 
-test.meta({ unstable: true })('DateRangeBox should not be closed by press tab key on startDate input', async (t) => {
-  const dateRangeBox = new DateRangeBox('#container');
+test('DateRangeBox should not be closed by press tab key on startDate input', async (t) => {
+  const dateRangeBox = new DateRangeBox('#dateRangeBox');
 
   await t
     .click(dateRangeBox.getStartDateBox().input);
@@ -451,20 +451,31 @@ test.meta({ unstable: true })('DateRangeBox should not be closed by press tab ke
   await t
     .expect(dateRangeBox.option('opened'))
     .eql(false)
+    .expect(Selector('#lastFocusableElement').hasClass('dx-state-focused'))
+    .ok()
     .expect(dateRangeBox.isFocused)
     .notOk();
-}).before(async () => createWidget('dxDateRangeBox', {
-  value: ['2021/09/17', '2021/10/24'],
-  openOnFieldClick: true,
-  opened: true,
-  width: 500,
-  dropDownOptions: {
-    hideOnOutsideClick: false,
-  },
-  calendarOptions: {
-    focusStateEnabled: false,
-  },
-}));
+}).before(async () => {
+  await appendElementTo('#container', 'div', 'dateRangeBox');
+  await appendElementTo('#container', 'div', 'lastFocusableElement');
+
+  await createWidget('dxButton', {
+    text: 'Last Focusable Element',
+  }, '#lastFocusableElement');
+
+  return createWidget('dxDateRangeBox', {
+    value: ['2021/09/17', '2021/10/24'],
+    openOnFieldClick: true,
+    opened: true,
+    width: 500,
+    dropDownOptions: {
+      hideOnOutsideClick: false,
+    },
+    calendarOptions: {
+      focusStateEnabled: false,
+    },
+  }, '#dateRangeBox');
+});
 
 test('DateRangeBox keyboard navigation via `tab` key if applyValueMode is useButtons, start -> end -> prev -> caption -> next -> views -> today -> apply -> cancel -> start -> end', async (t) => {
   const dateRangeBox = new DateRangeBox('#dateRangeBox');