[Interpreter] Refactor bytecode generator test suite.

test/cctest/interpreter/Eval.golden

+#
+# Autogenerated by generate-bytecode-expectations
+#
+
+---
+pool type: string
+execute: yes
+wrap: yes
+
+---
+snippet: "
+  return eval('1;');
+"
+frame size: 9  # in multiples of sizeof(void*)
+parameter count: 1
+bytecodes: [
+  B(CallRuntime), U16(461), R(closure), U8(1),
+  B(PushContext), R(0),
+  B(Ldar), R(this),
+  B(StaContextSlot), R(context), U8(4),
+  B(CreateMappedArguments),
+  B(StaContextSlot), R(context), U8(5),
+  B(Ldar), R(new_target),
+  B(StaContextSlot), R(context), U8(6),
+  B(StackCheck),
+  B(LdaConstant), U8(0),
+  B(Star), R(3),
+  B(CallRuntimeForPair), U16(1), R(3), U8(1), R(1),
+  B(LdaConstant), U8(1),
+  B(Star), R(3),
+  B(Mov), R(1), R(4),
+  B(Mov), R(3), R(5),
+  B(Mov), R(closure), R(6),
+  B(LdaZero),
+  B(Star), R(7),
+  B(LdaSmi8), U8(30),
+  B(Star), R(8),
+  B(CallRuntime), U16(106), R(4), U8(5),
+  B(Star), R(1),
+  B(Call), R(1), R(2), U8(2), U8(0),
+  B(Return),
+]
+constant pool: [
+  "eval",
+  "1;",
+]
+handlers: [
+]
+