[py] make tests to check clicking on disabled element work for w3c compliant drivers (#5561)

They are currently mrked as expected failure, but we can actually test
both behaviors. Check that selection doesn't change for w3c drivers.

Author: carlosgcampos

py/test/selenium/webdriver/common/select_class_tests.py

@@ -45,13 +45,17 @@ def testSelectByIndexSingle(driver, pages):
 @pytest.mark.xfail_chrome
 @pytest.mark.xfail_firefox
 @pytest.mark.xfail_remote
-@pytest.mark.xfail_marionette
-@pytest.mark.xfail_safari
-def testSelectDisabledByIndexShouldThrowException(driver, pages):
+@pytest.mark.xfail_marionette(reason='https://bugzilla.mozilla.org/show_bug.cgi?id=1429403')
+def testSelectDisabledByIndex(driver, pages):
     pages.load("formPage.html")
     sel = Select(driver.find_element(By.NAME, disabledSelect['name']))
-    with pytest.raises(ElementNotSelectableException):
+    if driver.w3c:
+        selected = sel.first_selected_option
         sel.select_by_index(1)
+        assert selected == sel.first_selected_option
+    else:
+        with pytest.raises(ElementNotSelectableException):
+            sel.select_by_index(1)
 
 
 def testSelectByValueSingle(driver, pages):
@@ -67,13 +71,17 @@ def testSelectByValueSingle(driver, pages):
 @pytest.mark.xfail_chrome
 @pytest.mark.xfail_firefox
 @pytest.mark.xfail_remote
-@pytest.mark.xfail_marionette
-@pytest.mark.xfail_safari
-def testSelectDisabledByValueShouldThrowException(driver, pages):
+@pytest.mark.xfail_marionette(reason='https://bugzilla.mozilla.org/show_bug.cgi?id=1429403')
+def testSelectDisabledByValue(driver, pages):
     pages.load("formPage.html")
     sel = Select(driver.find_element(By.NAME, disabledSelect['name']))
-    with pytest.raises(ElementNotSelectableException):
+    if driver.w3c:
+        selected = sel.first_selected_option
         sel.select_by_value('bar')
+        assert selected == sel.first_selected_option
+    else:
+        with pytest.raises(ElementNotSelectableException):
+            sel.select_by_value('bar')
 
 
 def testSelectByVisibleTextSingle(driver, pages):
@@ -103,13 +111,17 @@ def testSelectByVisibleTextShouldNormalizeSpaces(driver, pages):
 @pytest.mark.xfail_chrome
 @pytest.mark.xfail_firefox
 @pytest.mark.xfail_remote
-@pytest.mark.xfail_marionette
-@pytest.mark.xfail_safari
-def testSelectDisabledByVisibleTextShouldThrowException(driver, pages):
+@pytest.mark.xfail_marionette(reason='https://bugzilla.mozilla.org/show_bug.cgi?id=1429403')
+def testSelectDisabledByVisibleText(driver, pages):
     pages.load("formPage.html")
     sel = Select(driver.find_element(By.NAME, disabledSelect['name']))
-    with pytest.raises(ElementNotSelectableException):
+    if driver.w3c:
+        selected = sel.first_selected_option
         sel.select_by_visible_text('Bar')
+        assert selected == sel.first_selected_option
+    else:
+        with pytest.raises(ElementNotSelectableException):
+            sel.select_by_visible_text('Bar')
 
 
 def testSelectByIndexMultiple(driver, pages):