Cleanup of mjsunit.js code and make assertEquals more strict.

test/mjsunit/regexp-capture.js

Index: test/mjsunit/regexp-capture.js
diff --git a/test/mjsunit/regexp-capture.js b/test/mjsunit/regexp-capture.js
index dc24491d9c2b6e5859a71d257dca6989445c38fb..8aae71795a505b82bf2f2fcd0accbc2d9bceb37f 100755
--- a/test/mjsunit/regexp-capture.js
+++ b/test/mjsunit/regexp-capture.js
@@ -39,19 +39,20 @@ assertEquals(0, "y".search(/(x)?\1y/));
 assertEquals("z", "y".replace(/(x)?\1y/, "z"));
 assertEquals("", "y".replace(/(x)?y/, "$1"));
 assertEquals("undefined", "y".replace(/(x)?\1y/,
-    function($0, $1){ 
-        return String($1); 
+    function($0, $1){
+        return String($1);
     }));
-assertEquals("undefined", "y".replace(/(x)?y/, 
-    function($0, $1){ 
-        return String($1); 
+assertEquals("undefined", "y".replace(/(x)?y/,
+    function($0, $1){
+        return String($1);
     }));
-assertEquals("undefined", "y".replace(/(x)?y/, 
-    function($0, $1){ 
-        return $1; 
+assertEquals("undefined", "y".replace(/(x)?y/,
+    function($0, $1){
+        return $1;
     }));
 
 // See https://bugzilla.mozilla.org/show_bug.cgi?id=476146
-assertEquals("bbc,b", /^(b+|a){1,2}?bc/.exec("bbc"));
-assertEquals("bbaa,a,,a", /((\3|b)\2(a)){2,}/.exec("bbaababbabaaaaabbaaaabba"));
+assertEquals(["bbc", "b"], /^(b+|a){1,2}?bc/.exec("bbc"));
+assertEquals(["bbaa", "a", "", "a"],
+             /((\3|b)\2(a)){2,}/.exec("bbaababbabaaaaabbaaaabba"));