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

node_modules/jsondiffpatch/lib/index.js

@@ -0,0 +1,37 @@
+import DiffPatcher from './diffpatcher.js';
+import dateReviver from './date-reviver.js';
+export { DiffPatcher, dateReviver };
+export function create(options) {
+    return new DiffPatcher(options);
+}
+let defaultInstance;
+export function diff(left, right) {
+    if (!defaultInstance) {
+        defaultInstance = new DiffPatcher();
+    }
+    return defaultInstance.diff(left, right);
+}
+export function patch(left, delta) {
+    if (!defaultInstance) {
+        defaultInstance = new DiffPatcher();
+    }
+    return defaultInstance.patch(left, delta);
+}
+export function unpatch(right, delta) {
+    if (!defaultInstance) {
+        defaultInstance = new DiffPatcher();
+    }
+    return defaultInstance.unpatch(right, delta);
+}
+export function reverse(delta) {
+    if (!defaultInstance) {
+        defaultInstance = new DiffPatcher();
+    }
+    return defaultInstance.reverse(delta);
+}
+export function clone(value) {
+    if (!defaultInstance) {
+        defaultInstance = new DiffPatcher();
+    }
+    return defaultInstance.clone(value);
+}