fix #1915 - CLIENT TRACKINGINFO (#2127)

* fix #1915 - CLIENT TRACKINGINFO

* remove .only

packages/client/lib/commands/CLIENT_TRACKINGINFO.spec.ts

@@ -0,0 +1,25 @@
+import { strict as assert } from 'assert';
+import testUtils, { GLOBAL } from '../test-utils';
+import { transformArguments } from './CLIENT_TRACKINGINFO';
+
+describe('CLIENT TRACKINGINFO', () => {
+    testUtils.isVersionGreaterThanHook([6, 2]);
+
+    it('transformArguments', () => {
+        assert.deepEqual(
+            transformArguments(),
+            ['CLIENT', 'TRACKINGINFO']
+        );
+    });
+
+    testUtils.testWithClient('client.clientTrackingInfo', async client => {
+        assert.deepEqual(
+            await client.clientTrackingInfo(),
+            {
+                flags: new Set(['off']),
+                redirect: -1,
+                prefixes: []
+            }
+        );
+    }, GLOBAL.SERVERS.OPEN);
+});