tests/dbus: Fix a 10L in case of acquire->acquire

If we already have the resource acquired, we will not get any
callbacks. Don't wait for such in this case.
Totally not suspicious commit

This creates us an issue for the D-Bus test :P

This reverts commit 4e0d4c486c762f481d4456e80cee3bb22bffdb0b.
First Test: Add the initial versions of the fMBT model and config
First Test: Name the newly created test model
First Test: Import the D-Bus test step Python module to the model
First Test: Remove the pre-made variables as well as the step
First Test: Add the set creation step
First Test: Add the rest of the steps