diff --git a/test/language/types/reference/8.7.2-2-s.js b/test/language/types/reference/8.7.2-2-s.js
index 89fef04bd7..19da2c1f11 100644
--- a/test/language/types/reference/8.7.2-2-s.js
+++ b/test/language/types/reference/8.7.2-2-s.js
@@ -6,11 +6,8 @@ es5id: 8.7.2-2-s
 description: >
     ReferenceError isn't thrown if LeftHandSide evaluates to a resolvable
     Reference
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var b = 11;
-        return b === 11;
-    }
-runTestCase(testcase);
+
+assert.sameValue(b, 11, 'b');
diff --git a/test/language/types/reference/8.7.2-3-1-s.js b/test/language/types/reference/8.7.2-3-1-s.js
index ca9f96c788..e6091d384f 100644
--- a/test/language/types/reference/8.7.2-3-1-s.js
+++ b/test/language/types/reference/8.7.2-3-1-s.js
@@ -4,11 +4,6 @@
 /*---
 es5id: 8.7.2-3-1-s
 description: eval - a property named 'eval' is permitted
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
   var o = { eval: 42};
-  return true;
- }
-runTestCase(testcase);
diff --git a/test/language/types/reference/8.7.2-6-s.js b/test/language/types/reference/8.7.2-6-s.js
index d0332303da..8822a11faf 100644
--- a/test/language/types/reference/8.7.2-6-s.js
+++ b/test/language/types/reference/8.7.2-6-s.js
@@ -6,10 +6,8 @@ es5id: 8.7.2-6-s
 description: >
     TypeError isn't thrown if LeftHandSide is a reference to a writable data
     property
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var _8_7_2_6 = {};
         Object.defineProperty(_8_7_2_6, "b", {
             writable: true
@@ -17,6 +15,4 @@ function testcase() {
 
         _8_7_2_6.b = 11;
 
-        return _8_7_2_6.b === 11;
-    }
-runTestCase(testcase);
+assert.sameValue(_8_7_2_6.b, 11, '_8_7_2_6.b');
diff --git a/test/language/types/reference/8.7.2-7-s.js b/test/language/types/reference/8.7.2-7-s.js
index d4c31f6f35..848b28f985 100644
--- a/test/language/types/reference/8.7.2-7-s.js
+++ b/test/language/types/reference/8.7.2-7-s.js
@@ -6,10 +6,8 @@ es5id: 8.7.2-7-s
 description: >
     TypeError isn't thrown if LeftHandSide is a reference to an accessor
     property with setter
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var _8_7_2_7 = {};
         var _8_7_2_7_bValue = 1;
         Object.defineProperty(_8_7_2_7, "b", {
@@ -18,6 +16,5 @@ function testcase() {
         });
 
         _8_7_2_7.b = 11;
-        return _8_7_2_7.b === 11;
-    }
-runTestCase(testcase);
+
+assert.sameValue(_8_7_2_7.b, 11, '_8_7_2_7.b');
diff --git a/test/language/types/reference/8.7.2-8-s.js b/test/language/types/reference/8.7.2-8-s.js
index 8f022c4abd..8408e3aa23 100644
--- a/test/language/types/reference/8.7.2-8-s.js
+++ b/test/language/types/reference/8.7.2-8-s.js
@@ -6,14 +6,10 @@ es5id: 8.7.2-8-s
 description: >
     TypeError isn't thrown if LeftHandSide is a reference to a property of an
     extensible object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var _8_7_2_8 = {};
 
         _8_7_2_8.b = 11;
 
-        return _8_7_2_8.b === 11;
-    }
-runTestCase(testcase);
+assert.sameValue(_8_7_2_8.b, 11, '_8_7_2_8.b');