Update test framework: fix run_tests.py to support all test files, add auto-import-check for test files

node_modules/zod/lib/helpers/errorUtil.d.ts

@@ -0,0 +1,9 @@
+export declare namespace errorUtil {
+    type ErrMessage = string | {
+        message?: string;
+    };
+    const errToObj: (message?: ErrMessage | undefined) => {
+        message?: string | undefined;
+    };
+    const toString: (message?: ErrMessage | undefined) => string | undefined;
+}