Adding some more check for exists in web ui classes

Another simple test with some more examples.

Change-Id: I4188eb6a743123eee22ce7bf48915f055922f3e9
Signed-off-by: jpike <jason.pike@windriver.com>

framework/web/action/web_action_is_exists.py

@@ -0,0 +1,29 @@
+from selenium.webdriver.remote.webelement import WebElement
+
+from framework.web.action.web_action import WebAction
+
+
+class WebActionIsExists(WebAction):
+    """
+    Class representing a Web Is Exists action.
+    """
+
+    def perform_action(self, web_element: WebElement, *args):
+        """
+        Override the parent's perform action with a check for exists
+        Args:
+            web_element: Element to check if it exists.
+            *args: Unused arguments to follow the override signature.
+
+        Returns: None
+
+        """
+        return web_element.is_displayed()
+
+    def __str__(self):
+        """
+        String representation of this action.
+        Returns:
+
+        """
+        return "IS_EXISTS"