chore(test): move opt snapshot test (#111)

Author: HerrCai0907

tests/snapshot_diff/gc_fast_lower/config.json renamed to tests/snapshot_diff/gc_lower_fast/config.json

@@ -1,5 +1,5 @@
 ;; ====================
-(func $tests/snapshot_diff/gc_fast_lower/normal/_start (type $func.0 (func (result i32)))
+(func $tests/snapshot_diff/gc_lower_fast/normal/_start (type $func.0 (func (result i32)))
   (local i32)
 ;; =========add========
   (local i32)

tests/snapshot_diff/gc_fast_lower/global.diff.wat renamed to tests/snapshot_diff/gc_lower_fast/global.diff.wat

@@ -1,5 +1,5 @@
 ;; ====================
-(func $tests/snapshot_diff/gc_lower/new_obj_with_conditional_use/_start (type $func.0 (func (result i32)))
+(func $tests/snapshot_diff/gc_lower_opt/base/new_obj_with_conditional_use/_start (type $func.0 (func (result i32)))
   (local i32)
 ;; =========add========
   (local i32)
@@ -19,7 +19,7 @@
 ;; ====================
         local.set $0
         if ;;unreachable
-          global.get $tests/snapshot_diff/gc_lower/new_obj_with_conditional_use/v
+          global.get $tests/snapshot_diff/gc_lower_opt/base/new_obj_with_conditional_use/v
 ;; =========add========
           block ;;unreachable
 ;; ====================

tests/snapshot_diff/gc_fast_lower/global.ts renamed to tests/snapshot_diff/gc_lower_fast/global.ts

@@ -1,6 +1,6 @@
 //! { "func": "^.*_start$" }
 
-import { Normal } from "../common_lib/normal";
+import { Normal } from "../../common_lib/normal";
 
 let v = 0;
 export function _start(): Normal | null {