Some missed three Isolate::Current calls... delete them anyway

test/cctest/test-macro-assembler-mips64.cc

Index: test/cctest/test-macro-assembler-mips64.cc
diff --git a/test/cctest/test-macro-assembler-mips64.cc b/test/cctest/test-macro-assembler-mips64.cc
index c24262ed557cdb93bba18a95a4b7214fdf89a54f..315121f373c906a8e7801f0c6df856e2b9650de4 100644
--- a/test/cctest/test-macro-assembler-mips64.cc
+++ b/test/cctest/test-macro-assembler-mips64.cc
@@ -66,7 +66,7 @@ static bool all_zeroes(const byte* beg, const byte* end) {
 
 TEST(CopyBytes) {
   CcTest::InitializeVM();
-  Isolate* isolate = Isolate::Current();
+  Isolate* isolate = CcTest::i_isolate();
   HandleScope handles(isolate);
 
   const int data_size = 1 * KB;
@@ -140,7 +140,7 @@ TEST(CopyBytes) {
 
 TEST(LoadConstants) {
   CcTest::InitializeVM();
-  Isolate* isolate = Isolate::Current();
+  Isolate* isolate = CcTest::i_isolate();
   HandleScope handles(isolate);
 
   int64_t refConstants[64];
@@ -182,7 +182,7 @@ TEST(LoadConstants) {
 
 TEST(LoadAddress) {
   CcTest::InitializeVM();
-  Isolate* isolate = Isolate::Current();
+  Isolate* isolate = CcTest::i_isolate();
   HandleScope handles(isolate);
 
   MacroAssembler assembler(isolate, NULL, 0);