1 files changed, 4 insertions, 9 deletions
diff --git a/test/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-2.js b/test/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-2.js
index 68ba3657c..aba55fc82 100644
--- a/test/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-2.js
+++ b/test/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-2.js
@@ -4,15 +4,10 @@
 /*---
 es5id: 15.4.4.15-5-2
 description: Array.prototype.lastIndexOf when fromIndex is floating point number
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
   var a = new Array(1,2,1);
-  if (a.lastIndexOf(2,1.49) === 1 &&    // 1.49 resolves to 1
-      a.lastIndexOf(2,0.51) === -1 &&    // 0.51 resolves to 0
-      a.lastIndexOf(1,0.51) === 0){      // 0.51 resolves to 0
-    return true;
-  }
- }
-runTestCase(testcase);
+
+assert.sameValue(a.lastIndexOf(2,1.49), 1, '1.49 resolves to 1');
+assert.sameValue(a.lastIndexOf(2,0.51), -1, '0.51 resolves to 0');
+assert.sameValue(a.lastIndexOf(1,0.51), 0, '0.51 resolves to 0');