[Interpreter] Refactor bytecode generator test suite.

test/cctest/interpreter/bytecode_expectations/TopLevelObjectLiterals.golden

+#
+# Autogenerated by generate-bytecode-expectations
+#
+
+---
+pool type: mixed
+execute: no
+wrap: no
+top level: yes
+
+---
+snippet: "
+  var a = { func: function() { } };
+"
+frame size: 5
+parameter count: 1
+bytecode array length: 49
+bytecodes: [
+  B(LdaConstant), U8(0),
+  B(Star), R(1),
+  B(LdaZero),
+  B(Star), R(2),
+  B(CallRuntime), U16(Runtime::kDeclareGlobals), R(1), U8(2),
+  B(StackCheck),
+  B(LdaConstant), U8(1),
+  B(Star), R(1),
+  B(LdaZero),
+  B(Star), R(2),
+  B(CreateObjectLiteral), U8(2), U8(0), U8(11),
+  B(Star), R(4),
+  B(CreateClosure), U8(3), U8(1),
+  B(StoreICSloppy), R(4), U8(4), U8(3),
+  B(CallRuntime), U16(Runtime::kToFastProperties), R(4), U8(1),
+  B(Ldar), R(4),
+  B(Star), R(3),
+  B(CallRuntime), U16(Runtime::kInitializeVarGlobal), R(1), U8(3),
+  B(LdaUndefined),
+  B(Return),
+]
+constant pool: [
+  InstanceType::FIXED_ARRAY_TYPE,
+  InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
+  InstanceType::FIXED_ARRAY_TYPE,
+  InstanceType::SHARED_FUNCTION_INFO_TYPE,
+  InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
+]
+handlers: [
+]
+