@Test
@PrepareForTest(WakeOnLanInstallation.class)
public void installWakeOnLanTestWakeOnLanAlreadyInstalled() throws Exception {

    prepareMockedFileThatRepresentsTheWakeOnLanCommand(true);
    wakeOnLanInstallation.installWakeOnLan();
    Mockito.verify(wakeOnLanInstallation.logger).info("Checking if wakeonlan is installed.");
    Mockito.verify(wakeOnLanInstallation.logger).info("Wakeonlan is already installed.");
    Mockito.verify(wakeOnLanInstallation.shellCommandUtils, Mockito.times(0)).executeCommand(Mockito.anyString());
}