Don't run tests that rely on compaction when compaction is turned off.

test/cctest/test-weaksets.cc

Index: test/cctest/test-weaksets.cc
diff --git a/test/cctest/test-weaksets.cc b/test/cctest/test-weaksets.cc
index 514b6b2393c9d25d827a5690a384f970798cbbf3..c8f3bbf142bf38c07027cd5fa252d4b19488381a 100644
--- a/test/cctest/test-weaksets.cc
+++ b/test/cctest/test-weaksets.cc
@@ -180,6 +180,7 @@ TEST(WeakSet_Shrinking) {
 // Test that weak set values on an evacuation candidate which are not reachable
 // by other paths are correctly recorded in the slots buffer.
 TEST(WeakSet_Regress2060a) {
+  if (i::FLAG_never_compact) return;
   FLAG_always_compact = true;
   LocalContext context;
   Isolate* isolate = GetIsolateFrom(&context);
@@ -215,6 +216,7 @@ TEST(WeakSet_Regress2060a) {
 // Test that weak set keys on an evacuation candidate which are reachable by
 // other strong paths are correctly recorded in the slots buffer.
 TEST(WeakSet_Regress2060b) {
+  if (i::FLAG_never_compact) return;
   FLAG_always_compact = true;
 #ifdef VERIFY_HEAP
   FLAG_verify_heap = true;