Fix ContextDeserialization and PartialDeserialization tests.

Space should be reserved twice before each deserialization.

R=erik.corry@gmail.com

Review URL: http://codereview.chromium.org/7550009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8795 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/cctest/test-serialize.cc

@@ -459,7 +459,9 @@ DEPENDENT_TEST(PartialDeserialization, PartialSerialization) {
       CHECK(root->IsString());
     }
     v8::HandleScope handle_scope;
-    Handle<Object>root_handle(root);
+    Handle<Object> root_handle(root);
+
+    ReserveSpaceForPartialSnapshot(file_name);
 
     Object* root2;
     {
@@ -542,7 +544,9 @@ DEPENDENT_TEST(ContextDeserialization, ContextSerialization) {
       CHECK(root->IsContext());
     }
     v8::HandleScope handle_scope;
-    Handle<Object>root_handle(root);
+    Handle<Object> root_handle(root);
+
+    ReserveSpaceForPartialSnapshot(file_name);
 
     Object* root2;
     {