diff --git a/test/language/future-reserved-words/7.6.1.2-10-s.js b/test/language/future-reserved-words/7.6.1.2-10-s.js
index 00d4faea45..4d10b88908 100644
--- a/test/language/future-reserved-words/7.6.1.2-10-s.js
+++ b/test/language/future-reserved-words/7.6.1.2-10-s.js
@@ -5,11 +5,8 @@
 es5id: 7.6.1.2-10-s
 description: >
     SyntaxError isn't thrown when 'IMPLEMENTS' occurs
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var IMPLEMENTS = 1;
-        return IMPLEMENTS === 1;
-    }
-runTestCase(testcase);
+
+assert.sameValue(IMPLEMENTS, 1, 'IMPLEMENTS');
diff --git a/test/language/future-reserved-words/7.6.1.2-11-s.js b/test/language/future-reserved-words/7.6.1.2-11-s.js
index 14911e837f..8dfcf574ea 100644
--- a/test/language/future-reserved-words/7.6.1.2-11-s.js
+++ b/test/language/future-reserved-words/7.6.1.2-11-s.js
@@ -5,11 +5,8 @@
 es5id: 7.6.1.2-11-s
 description: >
     SyntaxError isn't thrown when 'Implements' occurs
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var Implements = 1;
-        return Implements === 1;
-    }
-runTestCase(testcase);
+
+assert.sameValue(Implements, 1, 'Implements');
diff --git a/test/language/future-reserved-words/7.6.1.2-12-s.js b/test/language/future-reserved-words/7.6.1.2-12-s.js
index dfdb2d6dc9..1524b197bd 100644
--- a/test/language/future-reserved-words/7.6.1.2-12-s.js
+++ b/test/language/future-reserved-words/7.6.1.2-12-s.js
@@ -5,11 +5,8 @@
 es5id: 7.6.1.2-12-s
 description: >
     SyntaxError isn't thrown when 'implement' occurs
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var implement = 1;
-        return implement === 1;
-    }
-runTestCase(testcase);
+
+assert.sameValue(implement, 1, 'implement');
diff --git a/test/language/future-reserved-words/7.6.1.2-13-s.js b/test/language/future-reserved-words/7.6.1.2-13-s.js
index c432fe2810..6663859a17 100644
--- a/test/language/future-reserved-words/7.6.1.2-13-s.js
+++ b/test/language/future-reserved-words/7.6.1.2-13-s.js
@@ -5,11 +5,8 @@
 es5id: 7.6.1.2-13-s
 description: >
     SyntaxError isn't thrown when 'implementss' occurs
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var implementss = 1;
-        return implementss === 1;
-    }
-runTestCase(testcase);
+
+assert.sameValue(implementss, 1, 'implementss');
diff --git a/test/language/future-reserved-words/7.6.1.2-14-s.js b/test/language/future-reserved-words/7.6.1.2-14-s.js
index b34ced0bef..725aeacb6e 100644
--- a/test/language/future-reserved-words/7.6.1.2-14-s.js
+++ b/test/language/future-reserved-words/7.6.1.2-14-s.js
@@ -5,11 +5,8 @@
 es5id: 7.6.1.2-14-s
 description: >
     SyntaxError isn't thrown when 'implements0' occurs
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var implements0 = 1;
-        return implements0 === 1;
-    }
-runTestCase(testcase);
+
+assert.sameValue(implements0, 1, 'implements0');
diff --git a/test/language/future-reserved-words/7.6.1.2-16-s.js b/test/language/future-reserved-words/7.6.1.2-16-s.js
index 033290bd68..284fd5dca9 100644
--- a/test/language/future-reserved-words/7.6.1.2-16-s.js
+++ b/test/language/future-reserved-words/7.6.1.2-16-s.js
@@ -5,11 +5,8 @@
 es5id: 7.6.1.2-16-s
 description: >
     SyntaxError isn't thrown when '_implements' occurs
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var _implements = 1;
-        return _implements === 1;
-    }
-runTestCase(testcase);
+
+assert.sameValue(_implements, 1, '_implements');