git.add().addFilepattern(SampleTestRepository.A_txt_name).call();
git.commit().setMessage("Change").call();
configurePush();
// push change
PushWizardTester wizardTester = new PushWizardTester();
RepoPropertiesPage repoPropertiesPage = wizardTester.openPushWizard(localRepository);
repoPropertiesPage.setPushDestination("push");
wizardTester.nextPage();
// now login dialog appears
LoginDialogTester loginDialogTester = new LoginDialogTester();
loginDialogTester.login("agitter", "letmein");