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

node_modules/ajv/dist/runtime/parseJson.d.ts

@@ -0,0 +1,18 @@
+export declare function parseJson(s: string, pos: number): unknown;
+export declare namespace parseJson {
+    var message: string | undefined;
+    var position: number;
+    var code: string;
+}
+export declare function parseJsonNumber(s: string, pos: number, maxDigits?: number): number | undefined;
+export declare namespace parseJsonNumber {
+    var message: string | undefined;
+    var position: number;
+    var code: string;
+}
+export declare function parseJsonString(s: string, pos: number): string | undefined;
+export declare namespace parseJsonString {
+    var message: string | undefined;
+    var position: number;
+    var code: string;
+}