V5 bringing RESP3, Sentinel and TypeMapping to node-redis

RESP3 Support
   - Some commands responses in RESP3 aren't stable yet and therefore return an "untyped" ReplyUnion.
 
Sentinel

TypeMapping

Correctly types Multi commands

Note: some API changes to be further documented in v4-to-v5.md

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

@@ -1,23 +1,32 @@
-import { strict as assert } from 'assert';
-import { describe } from 'mocha';
-import { transformArguments } from './BGSAVE';
+import { strict as assert } from 'node:assert';
+import testUtils, { GLOBAL } from '../test-utils';
+import BGSAVE from './BGSAVE';
 
 describe('BGSAVE', () => {
-    describe('transformArguments', () => {
-        it('simple', () => {
-            assert.deepEqual(
-                transformArguments(),
-                ['BGSAVE']
-            );
-        });
-
-        it('with SCHEDULE', () => {
-            assert.deepEqual(
-                transformArguments({
-                    SCHEDULE: true
-                }),
-                ['BGSAVE', 'SCHEDULE']
-            );
-        });
+  describe('transformArguments', () => {
+    it('simple', () => {
+      assert.deepEqual(
+        BGSAVE.transformArguments(),
+        ['BGSAVE']
+      );
     });
+
+    it('with SCHEDULE', () => {
+      assert.deepEqual(
+        BGSAVE.transformArguments({
+          SCHEDULE: true
+        }),
+        ['BGSAVE', 'SCHEDULE']
+      );
+    });
+  });
+
+  testUtils.testWithClient('client.bgSave', async client => {
+    assert.equal(
+      typeof await client.bgSave({
+        SCHEDULE: true // using `SCHEDULE` to make sure it won't throw an error
+      }),
+      'string'
+    );
+  }, GLOBAL.SERVERS.OPEN);
 });