private Page page;
@Before
public void openBrowser() throws Exception {
page = new Page(jsErrorsRule.driver());
assertThat(page.tabContent(), should(existsAndVisible())
.whileWaitingUntil(timeoutHasExpired(SECONDS.toMillis(3))));
page.tabs().defects().click();
assertThat(page.defectsTabContent().defectAt(0), should(existsAndVisible())
.whileWaitingUntil(timeoutHasExpired(SECONDS.toMillis(3))));