Селенид ждите
$(byText("element text...")).shouldBe(visible);
$(byText("element text...")).should(appear);
$(byText("element text...")).shouldNotBe(visible);
Herker
$(byText("element text...")).shouldBe(visible);
$(byText("element text...")).should(appear);
$(byText("element text...")).shouldNotBe(visible);