Cosmetic changes to tests to make it easier to concatenate them.

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 76209c42b5ec1cd198118589b78909cf3329478a..0976293f2426693d38ac8293d3197f944066e789 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -6670,5 +6670,5 @@ bool Heap::GetObjectTypeName(size_t index, const char** object_type,
   }
   return false;
 }
-}
-}  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8