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

node_modules/form-data-encoder/lib/esm/util/normalizeValue.js

@@ -0,0 +1,9 @@
+const normalizeValue = (value) => String(value)
+    .replace(/\r|\n/g, (match, i, str) => {
+    if ((match === "\r" && str[i + 1] !== "\n")
+        || (match === "\n" && str[i - 1] !== "\r")) {
+        return "\r\n";
+    }
+    return match;
+});
+export default normalizeValue;