Verifies that element identified with text is visible.

        New in AppiumLibrary 1.4.5

def text_should_be_visible(self, text, exact_match=False, loglevel='INFO'):
        """Verifies that element identified with text is visible.

        New in AppiumLibrary 1.4.5
        """
        if not self._element_find_by_text(text, exact_match).is_displayed():
            self.log_source(loglevel)
            raise AssertionError("Text '%s' should be visible "
                                 "but did not" % text)