Add read() method for BaseMultiSelect widget (#1006)

Signed-off-by: Gaurav Talreja <[email protected]>

airgun/widgets.py

@@ -2479,6 +2479,7 @@ class BaseMultiSelect(BaseSelect, Dropdown):
 
     BUTTON_LOCATOR = './/button[@aria-label="Options menu"]'
     OUIA_COMPONENT_TYPE = "PF4/Select"
+    SELECTED_ITEMS_LIST = './/div[@class="pf-c-chip-group"]'
 
     def item_select(self, items, close=True):
         """Opens the Dropdown and selects the desired items.
@@ -2510,6 +2511,12 @@ def fill(self, items):
         finally:
             self.close()
 
+    def read(self):
+        try:
+            return self.browser.text(self.SELECTED_ITEMS_LIST).split(' ')
+        except NoSuchElementException:
+            return None
+
 
 class InventoryBootstrapSwitch(Widget):
     """Checkbox-like Switch control, representing On and Off state. But with