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

node_modules/jsondiffpatch/lib/contexts/context.d.ts

@@ -0,0 +1,17 @@
+import type { Options } from '../types.js';
+export default abstract class Context<TResult> {
+    abstract pipe: string;
+    result?: TResult;
+    hasResult?: boolean;
+    exiting?: boolean;
+    parent?: this;
+    childName?: string | number;
+    root?: this;
+    options?: Options;
+    children?: this[];
+    nextAfterChildren?: this | null;
+    next?: this | null;
+    setResult(result: TResult): this;
+    exit(): this;
+    push(child: this, name?: string | number): this;
+}