Support RedisTimeSeries (#1757)

* Implement missing commands and add test

* Update DECRBY.spec.ts

* Small changes

* clean code

* Update MGET_WITHLABELS.ts

Use map in transformReply

Co-authored-by: leibale <leibale1998@gmail.com>

packages/time-series/lib/commands/QUERYINDEX.spec.ts

@@ -0,0 +1,27 @@
+import { strict as assert } from 'assert';
+import testUtils, { GLOBAL } from '../test-utils';
+import { transformArguments } from './QUERYINDEX';
+
+describe('QUERYINDEX', () => {
+    it('transformArguments', () => {
+        assert.deepEqual(
+            transformArguments('*'),
+            ['TS.QUERYINDEX', '*']
+        );
+    });
+
+    testUtils.testWithClient('client.ts.queryIndex', async client => {
+        await Promise.all([
+            client.ts.create('key', {
+                LABELS: {
+                    label: 'value'
+                }
+            })
+        ]);
+
+        assert.deepEqual(
+            await client.ts.queryIndex('label=value'),
+            ['key']
+        );
+    }, GLOBAL.SERVERS.OPEN);
+});