Disable test-spaces/SizeOfFirstPageIsLargeEnough for snapshot=off build.

test/cctest/test-spaces.cc

Index: test/cctest/test-spaces.cc
diff --git a/test/cctest/test-spaces.cc b/test/cctest/test-spaces.cc
index f8ab94e9a74f582346fa2dbbcb6e33acb7ec37da..00620944002c0c533fca61c844ff81d66e932891 100644
--- a/test/cctest/test-spaces.cc
+++ b/test/cctest/test-spaces.cc
@@ -27,9 +27,11 @@
 
 #include <stdlib.h>
 
+#include "src/snapshot.h"
 #include "src/v8.h"
 #include "test/cctest/cctest.h"
 
+
 using namespace v8::internal;
 
 #if 0
@@ -405,6 +407,8 @@ TEST(LargeObjectSpace) {
 
 TEST(SizeOfFirstPageIsLargeEnough) {
   if (i::FLAG_always_opt) return;
+  // Bootstrapping without a snapshot causes more allocations.
+  if (!i::Snapshot::HaveASnapshotToStartFrom()) return;
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();