// Search the extension and install it.
ExtensionAdministrationPage adminPage = ExtensionAdministrationPage.gotoPage().clickAddExtensionsSection();
ExtensionPane extensionPane =
adminPage.getSearchBar().clickAdvancedSearch().search(extensionId).getExtension(0);
extensionPane = extensionPane.install();
// Assert the install plan.
List<DependencyPane> installPlan = extensionPane.openProgressSection().getJobPlan();
Assert.assertEquals(2, installPlan.size());
Assert.assertEquals(dependencyId, installPlan.get(0).getId());