Update doctest client with latest v4 release (#2844)

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

@@ -0,0 +1,21 @@
+import { strict as assert } from 'assert';
+import testUtils, { GLOBAL } from '../test-utils';
+import { transformArguments } from './SPUBLISH';
+
+describe('SPUBLISH', () => {
+    testUtils.isVersionGreaterThanHook([7]);
+    
+    it('transformArguments', () => {
+        assert.deepEqual(
+            transformArguments('channel', 'message'),
+            ['SPUBLISH', 'channel', 'message']
+        );
+    });
+
+    testUtils.testWithClient('client.sPublish', async client => {
+        assert.equal(
+            await client.sPublish('channel', 'message'),
+            0
+        );
+    }, GLOBAL.SERVERS.OPEN);
+});