code: public void selectedOption(String expectedText) {
          String option = checkSelectedOption(expectedText, 0, 0);
          String reason = NO_ELEMENT_FOUND;
          if (option == null && getElement().is().present()) {
              reason = ELEMENT_NOT_SELECT;
          }
          assertNotNull(reason, option);
          assertEquals("Selected Option Mismatch", expectedText, option);
      }
docs: Asserts that the element's selected option equals the provided expected
  option. If the element isn't present or a select, this will constitute a
  failure, same as a mismatch. This information will be logged and
  recorded, with a screenshot for traceability and added debugging support.
  
  @param expectedText the expected input text of the element