[Interpreter] Refactor bytecode generator test suite.

test/cctest/interpreter/NewTarget.golden

Index: test/cctest/interpreter/NewTarget.golden
diff --git a/test/cctest/interpreter/NewTarget.golden b/test/cctest/interpreter/NewTarget.golden
new file mode 100644
index 0000000000000000000000000000000000000000..ac59a96a51d97f3b0f283a507276a48c48cf59dc
--- /dev/null
+++ b/test/cctest/interpreter/NewTarget.golden
@@ -0,0 +1,56 @@
+#
+# Autogenerated by generate-bytecode-expectations
+#
+
+---
+pool type: mixed
+execute: yes
+wrap: yes
+
+---
+snippet: "
+  return new.target;
+"
+frame size: 2  # in multiples of sizeof(void*)
+parameter count: 1
+bytecodes: [
+  B(Ldar), R(new_target),
+  B(Star), R(0),
+  B(StackCheck),
+  B(Ldar), R(0),
+  B(JumpIfNotHole), U8(11),
+  B(LdaConstant), U8(0),
+  B(Star), R(1),
+  B(CallRuntime), U16(257), R(1), U8(1),
+  B(Return),
+]
+constant pool: [
+  InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
+]
+handlers: [
+]
+
+---
+snippet: "
+  new.target;
+"
+frame size: 2  # in multiples of sizeof(void*)
+parameter count: 1
+bytecodes: [
+  B(Ldar), R(new_target),
+  B(Star), R(0),
+  B(StackCheck),
+  B(Ldar), R(0),
+  B(JumpIfNotHole), U8(11),
+  B(LdaConstant), U8(0),
+  B(Star), R(1),
+  B(CallRuntime), U16(257), R(1), U8(1),
+  B(LdaUndefined),
+  B(Return),
+]
+constant pool: [
+  InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
+]
+handlers: [
+]
+