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

node_modules/swr/dist/_internal/index.react-server.d.mts

@@ -0,0 +1,7 @@
+import { Key, Arguments } from './types.mjs';
+export { SWRConfig } from './index.mjs';
+export { INFINITE_PREFIX } from './constants.mjs';
+
+declare const serialize: (key: Key) => [string, Arguments];
+
+export { serialize };