diff --git a/tests/acceptance/00_basics/def.json/policy_server_classes.cf.json b/tests/acceptance/00_basics/def.json/policy_server_classes.cf.json
index bd84880689..1cc6c60664 100644
--- a/tests/acceptance/00_basics/def.json/policy_server_classes.cf.json
+++ b/tests/acceptance/00_basics/def.json/policy_server_classes.cf.json
@@ -1,6 +1,6 @@
 {
  "classes":
  {
-  "test_class_policy_server": [ "am_policy_hub" ],
+  "test_class_policy_server": [ "am_policy_hub" ]
  }
 }
diff --git a/tests/acceptance/01_vars/02_functions/data_expand.cf.json b/tests/acceptance/01_vars/02_functions/data_expand.cf.json
index 50747744be..ab7016be70 100644
--- a/tests/acceptance/01_vars/02_functions/data_expand.cf.json
+++ b/tests/acceptance/01_vars/02_functions/data_expand.cf.json
@@ -1,5 +1,5 @@
 {
     "plain data": "nothing",
     "$(x)": "nothing again",
-    "$(y)": "$(nosuchvar)",
+    "$(y)": "$(nosuchvar)"
 }
diff --git a/tests/acceptance/01_vars/02_functions/nth_datacontainer.cf.json b/tests/acceptance/01_vars/02_functions/nth_datacontainer.cf.json
index 99251e38e4..483c0ad72a 100644
--- a/tests/acceptance/01_vars/02_functions/nth_datacontainer.cf.json
+++ b/tests/acceptance/01_vars/02_functions/nth_datacontainer.cf.json
@@ -7,5 +7,5 @@
   "integer_2": 987654321,
   "string_2": "Othello? Where art thou now?",
   "boolean_2": false,
-  "null": null,
+  "null": null
 }
diff --git a/tests/acceptance/01_vars/02_functions/validdata.cf b/tests/acceptance/01_vars/02_functions/validdata.cf
index c25d3d0b8f..931ebe816b 100644
--- a/tests/acceptance/01_vars/02_functions/validdata.cf
+++ b/tests/acceptance/01_vars/02_functions/validdata.cf
@@ -19,12 +19,12 @@ bundle agent test
     "valid_json" string => "should appear",
       if => validdata(readfile("$(this.promise_filename).json", inf), "JSON");
     "invalid_json" string => "should not appear",
-      if => validdata(readfile("$(this.promise_filename).inv.json", inf), "JSON");
+      if => validdata(readfile("$(this.promise_filename).x.json", inf), "JSON");
 
     "valid_validjson" string => "should appear",
       if => validjson(readfile("$(this.promise_filename).json", inf));
     "invalid_validjson" string => "should not appear",
-      if => validjson(readfile("$(this.promise_filename).inv.json", inf));
+      if => validjson(readfile("$(this.promise_filename).x.json", inf));
 }
 
 ###########################################################
diff --git a/tests/acceptance/01_vars/02_functions/validdata.cf.inv.json b/tests/acceptance/01_vars/02_functions/validdata.cf.x.json
similarity index 100%
rename from tests/acceptance/01_vars/02_functions/validdata.cf.inv.json
rename to tests/acceptance/01_vars/02_functions/validdata.cf.x.json
diff --git a/tests/acceptance/01_vars/02_functions/validjson_strict.cf b/tests/acceptance/01_vars/02_functions/validjson_strict.cf
index 7fde5586fb..e63b7745ef 100644
--- a/tests/acceptance/01_vars/02_functions/validjson_strict.cf
+++ b/tests/acceptance/01_vars/02_functions/validjson_strict.cf
@@ -16,7 +16,7 @@ bundle agent check
 {
   vars:
     "json" string => readfile("$(this.promise_dirname)/validdata.cf.json", inf);
-    "invjson" string => readfile("$(this.promise_dirname)/validdata.cf.inv.json", inf);
+    "invjson" string => readfile("$(this.promise_dirname)/validdata.cf.x.json", inf);
     "mystring" string => "\"foo\"";
     "mynumber" string => "3.14";
     "mybool" string => "true";
diff --git a/tests/acceptance/10_files/file_select_attrs_consistent_behavior/rules.json b/tests/acceptance/10_files/file_select_attrs_consistent_behavior/rules.json
index 352beedf05..be311e4319 100644
--- a/tests/acceptance/10_files/file_select_attrs_consistent_behavior/rules.json
+++ b/tests/acceptance/10_files/file_select_attrs_consistent_behavior/rules.json
@@ -1,6 +1,6 @@
 [
 {
-"location": "/tmp/logs/tidy"
+"location": "/tmp/logs/tidy",
 "context": "any",
 "action": "TIDY",
 "frequency": "10",
diff --git a/tests/unit/data/mustache_extra.json b/tests/unit/data/mustache_extra.json
index e76a54a688..a69973b933 100644
--- a/tests/unit/data/mustache_extra.json
+++ b/tests/unit/data/mustache_extra.json
@@ -61,6 +61,6 @@
             },
             "template": "{{#list}}{{k}}={{v}}, {{/list}}",
             "expected": "789=0, =true, -1=-2, "
-        },
+        }
     ]
 }