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

node_modules/import-in-the-middle/test/hook/v14-native-modules.mjs

@@ -0,0 +1,10 @@
+import { strictEqual } from 'assert'
+
+// We dynamically import a specific file that imports the
+// native module for this platform and architecture.
+//
+// This way we know the file exists and the native module can
+// be loaded.
+const lib = await import(`../fixtures/native-modules/${process.platform}-${process.arch}.js`)
+
+strictEqual(typeof lib.default.crc32, 'function')