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/DEL.spec.ts

@@ -0,0 +1,21 @@
+import { strict as assert } from 'assert';
+import testUtils, { GLOBAL } from '../test-utils';
+import { transformArguments } from './DEL';
+
+describe('DEL', () => {
+    it('transformArguments', () => {
+        assert.deepEqual(
+            transformArguments('key', '-', '+'),
+            ['TS.DEL', 'key', '-', '+']
+        );
+    });
+
+    testUtils.testWithClient('client.ts.del', async client => {
+        await client.ts.create('key');
+
+        assert.equal(
+            await client.ts.del('key', '-', '+'),
+            0
+        );
+    }, GLOBAL.SERVERS.OPEN);
+});