Example of batched subscribe issue

BatchedSubscribe

self.subscribeExpectation = [self expectationWithDescription:@"network"];
    [self.client subscribeToChannels:@[@"a", @"b"] withPresence:YES];
    [self.client subscribeToChannels:@[@"c"] withPresence:NO];
    [self waitForExpectationsWithTimeout:10 handler:^(NSError *error) {
        if (error) {
            NSLog(@"error: %@", error);
            XCTFail(@"what went wrong?");
        }
    }];