[heap] Test fixes

src/heap/spaces.h

Index: src/heap/spaces.h
diff --git a/src/heap/spaces.h b/src/heap/spaces.h
index 2a27dbc002a1b4d536fa4c2c0a0f283a86c2a0ee..5e476f66a64d5c0348be4089e3b31b655ea008a5 100644
--- a/src/heap/spaces.h
+++ b/src/heap/spaces.h
@@ -696,7 +696,8 @@ class MemoryChunk {
 
 DEFINE_OPERATORS_FOR_FLAGS(MemoryChunk::Flags)
 
-STATIC_ASSERT(kMaxRegularHeapObjectSize < MemoryChunk::kAllocatableMemory);
+static_assert(kMaxRegularHeapObjectSize <= MemoryChunk::kAllocatableMemory,
+              "kMaxRegularHeapObjectSize <= MemoryChunk::kAllocatableMemory");
 
 // -----------------------------------------------------------------------------
 // A page is a memory chunk of a size 1MB. Large object pages may be larger.