@Test
public void testExecute() throws Exception {

    KarafReleaseLiquibaseLockCommand action = new KarafReleaseLiquibaseLockCommand();
    UkelonnService ukelonn = getUkelonnServiceSingleton();
    // Fake OSGi service injection
    setInternalState(action, "ukelonn", ukelonn);
    // Run the code under test
    Object result = action.execute();
    // Verify expected results
    assertNull(result);
}