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

node_modules/node-domexception/.history/index_20210527212900.js

@@ -0,0 +1,16 @@
+/*! blob-to-buffer. MIT License. Jimmy Wärting <https://jimmy.warting.se/opensource> */
+
+if (!globalThis.DOMException) {
+  const { MessageChannel } = require('worker_threads'),
+  port = new MessageChannel().port1,
+  ab = new ArrayBuffer()
+  try { port.postMessage(ab, [ab, ab]) }
+  catch (err) {
+    console.log(err.code)
+    err.constructor.name === 'DOMException' && (
+      globalThis.DOMException = err.constructor
+    )
+  }
+}
+
+module.exports = globalThis.DOMException