@Test
public void testFindOrDeployVirtualRouter() throws ConcurrentOperationException,
InsufficientCapacityException, ResourceUnavailableException {

    // Prepare
    final RouterDeploymentDefinition deploymentUT = spy(deployment);
    doNothing().when(deploymentUT).findOrDeployVirtualRouter();
    // Execute
    deploymentUT.deployVirtualRouter();
    // Assert
    verify(mockNetworkHelper, times(1)).startRouters(deploymentUT);
}