Fix incorrect test assertion

msgbus_test.go

@@ -205,7 +205,6 @@ func TestMessageBusSubscribeWithIndex(t *testing.T) {
 
 	msgs = mb.Subscribe("id1", "foo", WithIndex(1))
 
-	assert.Equal("foo", string((<-msgs).Payload))
 	assert.Equal("bar", string((<-msgs).Payload))
 	assert.Equal("baz", string((<-msgs).Payload))
 }