Migrated several tests from blink to V8 repository.

test/webkit/for-in-to-text.js

Index: test/webkit/for-in-to-text.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/for-in-to-text.js
similarity index 86%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/for-in-to-text.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..34f79d9aadf92d9f4200cf5c76c44bafab7b76f2 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/for-in-to-text.js
@@ -22,10 +22,13 @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 description(
-"Tests the behavior of Array.prototype.concat while the array is having a bad time due to one of the elements we are concatenating."
+"This tests that JavaScriptCore ForInNodes are converted correctly to text."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
-
+function test() {
+    for (j in index) {
+        testProperty(index[j]);
+    }
+}
 
+shouldBeTrue("test.toString().match('for *[(]j *in *index[)]') != null");