diff --git a/shippable.yml b/shippable.yml
index 87181f5..dbe0d53 100644
--- a/shippable.yml
+++ b/shippable.yml
@@ -3,7 +3,7 @@ language: php
 php: 
  # - 5.3
   - 5.4
-  - 5.5
+ # - 5.5
  # - 5.6
   
 before_script: 
@@ -15,7 +15,7 @@ script:
    - phpunit  --log-junit shippable/testresults/junit.xml --coverage-xml shippable/codecoverage tests/calculator_test.php
 
 archive: true
-build_image: shippable/minv2:beta 
+#build_image: shippable/minv2:beta 
 
 after_script:
   - echo "test"
diff --git a/tests/calculator_test.php b/tests/calculator_test.php
index d3ac492..a0181f7 100644
--- a/tests/calculator_test.php
+++ b/tests/calculator_test.php
@@ -17,7 +17,7 @@ public function testAdd(){
   public function testSubtract(){
       $calc = new Calculator();
       $difference = $calc->subtract(5,2);
-      $this->assertEquals(3, $difference); //check if 5 - 2 is equal to 3
+      $this->assertEquals(2, $difference); //check if 5 - 2 is equal to 3
   }
 
   //test if the multiply() method in our calculator class