Increase old space in cctest/test-api/HugeConsStringOutOfMemory test.

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index ed31f6ffaea53d89ec428d82373bdab258b6b75d..65d56d108064709f4fb0463b38e0cebc169a9cb1 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -2697,7 +2697,7 @@ TEST(HugeConsStringOutOfMemory) {
   static const int K = 1024;
   v8::ResourceConstraints constraints;
   constraints.set_max_young_space_size(256 * K);
-  constraints.set_max_old_space_size(2 * K * K);
+  constraints.set_max_old_space_size(3 * K * K);
   v8::SetResourceConstraints(&constraints);
 
   // Execute a script that causes out of memory.