Migrated several tests from blink to V8 repository.

test/webkit/mod-by-zero.js

Index: test/webkit/mod-by-zero.js
diff --git a/test/webkit/resources/standalone-post.js b/test/webkit/mod-by-zero.js
similarity index 90%
copy from test/webkit/resources/standalone-post.js
copy to test/webkit/mod-by-zero.js
index d157e78bfa084329e2ec1a9b7d6ad456e904c152..e3c51ddf04dc320c1b2852cb48206c0638737d08 100644
--- a/test/webkit/resources/standalone-post.js
+++ b/test/webkit/mod-by-zero.js
@@ -21,6 +21,12 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-wasPostTestScriptParsed = true;
+description(
+"This tests that modulo with zero does not crash but returns NaN."
+);
 
-finishJSTest();
+function mod(b) {
+    return b%b;
+}
+
+shouldBeNaN("mod(0)");