applehv: machine tests for stop and rm

change behaviour of stopped a stopped/exited machine to match qemu in that stopping a stopped machine is NOT an error.

add condition to machine rm where rm is not run twice due to a logic error

[NO NEW TESTS NEEDED]

Signed-off-by: Brent Baude <bbaude@redhat.com>

pkg/machine/applehv/machine.go

@@ -681,7 +681,7 @@ func (m *MacMachine) Stop(name string, opts machine.StopOptions) error {
 	}
 
 	if vmState != machine.Running {
-		return machine.ErrWrongState
+		return nil
 	}
 
 	defer func() {

pkg/machine/applehv/rest.go

@@ -94,10 +94,11 @@ func (vf *VfkitHelper) stop(force, wait bool) error {
 		if err := vf.stateChange(define.HardStop); err != nil {
 			return err
 		}
-	}
+	} else {
 		if err := vf.stateChange(define.Stop); err != nil {
 			return err
 		}
+	}
 	if !wait {
 		return nil
 	}