Make the hash map test run faster by doing less work.

It still hits all of the code and runs in seconds on tinyone.
Review URL: http://codereview.chromium.org/113459

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1970 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/cctest/test-hashmap.cc

@@ -171,6 +171,6 @@ void TestSet(IntKeyHash hash, int size) {
 
 
 TEST(Set) {
-  TestSet(Hash, 1000);
-  TestSet(CollisionHash, 100);
+  TestSet(Hash, 100);
+  TestSet(CollisionHash, 50);
 }