Revert back is_opened to VisualGridEyes

Author: eirenik0

eyes_selenium/applitools/selenium/visual_grid/visual_grid_eyes.py

@@ -61,6 +61,7 @@ def webelement(self):
 class VisualGridEyes(object):
     vg_manager = None  # type: VisualGridRunner
     _config_provider = None
+    _is_opened = False
     _driver = None
     rendering_info = None
     is_check_timer_timeout = False
@@ -73,6 +74,10 @@ def __init__(self, runner, config):
         self.vg_manager = runner
         self.test_list = []  # type: List[RunningTest]
 
+    @property
+    def is_opened(self):
+        return self._is_opened
+
     @property
     def driver(self):
         return self._driver
@@ -108,6 +113,7 @@ def open(self, driver):
                     self._create_vgeyes_connector(b_info), self.configuration, b_info
                 )
             )
+        self._is_opened = True
         self.vg_manager.open(self)
         logger.info("VisualGridEyes opening {} tests...".format(len(self.test_list)))
         return driver
@@ -202,6 +208,7 @@ def close(self, raise_ex=True):  # noqa
         logger.debug("VisualGridEyes.close()\n\t test_list %s" % self.test_list)
         self.close_async()
         self.vg_manager.process_test_list(self.test_list, raise_ex)
+        self._is_opened = False
 
         test_results = [t.test_result for t in self.test_list if t.test_result]
         if not test_results: