Fix flaky VirtualMachineReplicaSet Test
Fix flaky VirtualMachineReplicaSet Test

Instead of counting the number of invocations of a mock method in a
callback, just specify the expected number of invocations. This removes
a race condition error in these tests.

Signed-off-by: Roman Mohr <6da0130c5aeef94e5bbaabadbf8017270be25c64@redhat.com>

fabiand/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,stu-gott/kubevirt,fabiand/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,rmohr/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt,rmohr/kubevirt,kubevirt/kubevirt