cppgc: Fetch test name for ForceGarbageCollectionSlow in tests

Bug: chromium:1056170
Change-Id: Ie625d34dca248cbb5980b73363c382a259538bcc
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2452469
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Omer Katz <omerkatz@chromium.org>
Auto-Submit: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Omer Katz <omerkatz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70337}

test/unittests/heap/cppgc/custom-spaces-unittest.cc

@@ -37,8 +37,9 @@ class TestWithHeapWithCustomSpaces : public testing::TestWithPlatform {
   }
 
   void PreciseGC() {
-    heap_->ForceGarbageCollectionSlow("TestWithHeapWithCustomSpaces", "Testing",
-                                      cppgc::Heap::StackState::kNoHeapPointers);
+    heap_->ForceGarbageCollectionSlow(
+        ::testing::UnitTest::GetInstance()->current_test_info()->name(),
+        "Testing", cppgc::Heap::StackState::kNoHeapPointers);
   }
 
   cppgc::Heap* GetHeap() const { return heap_.get(); }

test/unittests/heap/cppgc/tests.h

@@ -33,8 +33,9 @@ class TestWithHeap : public TestWithPlatform {
   TestWithHeap();
 
   void PreciseGC() {
-    heap_->ForceGarbageCollectionSlow("TestWithHeap", "Testing",
-                                      cppgc::Heap::StackState::kNoHeapPointers);
+    heap_->ForceGarbageCollectionSlow(
+        ::testing::UnitTest::GetInstance()->current_test_info()->name(),
+        "Testing", cppgc::Heap::StackState::kNoHeapPointers);
   }
 
   cppgc::Heap* GetHeap() const { return heap_.get(); }