@Test(expected = FileAlreadyExistsException.class)
public void createFileExists() throws Exception {

    doReturn(true).when(ioServiceMock).exists(any());
    ScenarioSimulationModel model = new ScenarioSimulationModel();
    service.create(this.path,
                   "test.scesim",
                   model,
                   "Commit comment");
}