[Interpreter] Refactor bytecode generator test suite.

test/cctest/interpreter/bytecode-expectations-printer.h

 // Copyright 2016 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.
 
 #ifndef TEST_CCTEST_INTERPRETER_BYTECODE_EXPECTATIONS_PRINTER_H_
 #define TEST_CCTEST_INTERPRETER_BYTECODE_EXPECTATIONS_PRINTER_H_
 
 #include <iostream>
 #include <string>
 #include <vector>
@@ skipping 18 matching lines @@
     kNumber,
     kMixed,
   };
 
   BytecodeExpectationsPrinter(v8::Isolate* i,
                               ConstantPoolType t = ConstantPoolType::kMixed)
       : isolate_(i),
         const_pool_type_(t),
         execute_(true),
         wrap_(true),
+        top_level_(false),
         test_function_name_(kDefaultTopFunctionName) {}
 
   void PrintExpectation(std::ostream& stream,  // NOLINT
                         const std::string& snippet) const;
 
   void set_constant_pool_type(ConstantPoolType const_pool_type) {
     const_pool_type_ = const_pool_type;
   }
   ConstantPoolType const_pool_type() const { return const_pool_type_; }
 
@@ skipping 61 matching lines @@
   std::string test_function_name_;
 
   static const char* const kDefaultTopFunctionName;
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // TEST_CCTEST_INTERPRETER_BYTECODE_EXPECTATIONS_PRINTER_H_