[turbofan] Refactor the InstructionSelector tests.

test/compiler-unittests/change-lowering-unittest.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/change-lowering.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph.h"
 #include "src/compiler/node-properties-inl.h"
 #include "src/compiler/simplified-operator.h"
 #include "src/factory.h"
 #include "test/compiler-unittests/compiler-unittests.h"
 #include "test/compiler-unittests/node-matchers.h"
-#include "testing/gtest-type-names.h"
 
 using testing::_;
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 template <typename T>
 class ChangeLoweringTest : public CompilerTest {
  public:
@@ skipping 224 matching lines @@
   EXPECT_EQ(branch, NodeProperties::GetControlInput(if_false));
   STATIC_ASSERT(kSmiTag == 0);
   STATIC_ASSERT(kSmiTagSize == 1);
   EXPECT_THAT(branch, IsBranch(IsWord64And(val, IsInt32Constant(kSmiTagMask)),
                                graph()->start()));
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8