Simplify ConfigureHeap and change --max_new_space_size to --max_semi_space_size.

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 d8fa648bf20bc78b1159e3ca1d9c206554f97aa3..3dea676ff338065827a2dc486bf5e104c7d4e384 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -19534,10 +19534,9 @@ class InitDefaultIsolateThread : public v8::internal::Thread {
     isolate->Enter();
     switch (testCase_) {
       case SetResourceConstraints: {
-        static const int K = 1024;
         v8::ResourceConstraints constraints;
-        constraints.set_max_new_space_size(2 * K * K);
-        constraints.set_max_old_space_size(4 * K * K);
+        constraints.set_max_semispace_size(1);
+        constraints.set_max_old_space_size(4);
         v8::SetResourceConstraints(CcTest::isolate(), &constraints);
         break;
       }