diff --git a/Tst/connect_apps.py b/Tst/connect_apps.py
index 378e366e82a4b562ab36f6b9b4cd0968b3ed4e57..1da982206d8dd1df18bcc1fa45253fa824fd5c2e 100644
--- a/Tst/connect_apps.py
+++ b/Tst/connect_apps.py
@@ -61,14 +61,13 @@ def connect_to_tst(logger=module_logger):
         obj = bus.get_object(bus_name=bus_name, object_path=obj_path)
         interface_actions = dbus.Interface(obj, 'org.gtk.Actions')
         actions = interface_actions.List()
-        print('Available Actions:')
+        logger.debug('Available Actions for {}:'.format(bus_name))
         for item in actions:
-            print(item)
-        print('closing the current page in Tst')
-        interface_actions.Activate(actions[0], [], [])
+            logger.debug('{}'.format(item))
         return interface_actions
     except dbus.exceptions.DBusException as dbe:
         logger.exception(dbe)
+        raise dbe
 
 
 def connect_to_progress_viewer(logger=module_logger):
diff --git a/Tst/progress_view/progress_view.py b/Tst/progress_view/progress_view.py
index 4373c7643cccb0d4175f74bdae2249c41baf8f7e..e86f87764833c62ce37f3ba68bcb15cd502f6972 100644
--- a/Tst/progress_view/progress_view.py
+++ b/Tst/progress_view/progress_view.py
@@ -153,8 +153,8 @@ class TestProgressView(Gtk.ApplicationWindow):
         self.open_json_btn = Gtk.Button()
         self.open_json_btn.set_label('Open JSON in TST')
         self.open_json_btn.set_size_request(185, -1)
-        # self.open_json_btn.connect('clicked', self.on_open_json_tst)
-        # self.box_file_path_1.pack_start(self.open_json_btn, False, True, 5)
+        self.open_json_btn.connect('clicked', self.on_open_json_tst)
+        self.box_file_path_1.pack_start(self.open_json_btn, False, True, 5)
         self.path_box.pack_start(self.box_file_path_1, True, True, 0)
 
         # select file - command log
@@ -196,7 +196,7 @@ class TestProgressView(Gtk.ApplicationWindow):
 
         self.title_box = Gtk.HBox()
         self.test_label = Gtk.Label()
-        self.test_label.set_markup('<big>Test:</big>')
+        # self.test_label.set_markup('<big>Test:</big>')
         self.test_title = Gtk.Label()
         self.set_test_title()
 
diff --git a/Tst/tst/file_management.py b/Tst/tst/file_management.py
index 91570433e7748ba3e28cded6685722b221f1cb7d..dfa4873697f135d393d3dd4c4cbeedcc7ff159de 100644
--- a/Tst/tst/file_management.py
+++ b/Tst/tst/file_management.py
@@ -48,7 +48,6 @@ def open_file(file_name, *args):
     data_from_file = None
     with open(file_name, 'r') as file:
         data_from_file = _from_json(file)
-    file.close()
     return data_from_file
 
 
diff --git a/Tst/tst/tst.py b/Tst/tst/tst.py
index 2b554a0ce92f1b6fc7514830a57186641ac0cdb0..d06ce7e48272a1fe4d647ad5597376f49f2fbbd3 100755
--- a/Tst/tst/tst.py
+++ b/Tst/tst/tst.py
@@ -621,14 +621,19 @@ class TstAppWindow(Gtk.ApplicationWindow):
             file_selected = dialog.get_filename()
             cfg.save_option_to_file('tst-history', 'last-folder', os.path.dirname(file_selected))
 
-            self.load_test_spec(file_selected)
+            self.load_test_spec(None, file_selected)
 
         dialog.destroy()
 
-    def load_test_spec(self, json_path):
+    def load_test_spec(self, simple_action, json_path, *args):
+
+        # cast to string if called from open-test-spec action via DBus
+        if isinstance(json_path, GLib.Variant):
+            json_path = json_path.get_string()
+
         try:
             json_type = True
-            data_from_file = file_management.open_file(file_name=json_path)
+            data_from_file = file_management.open_file(json_path)
             filename = json_path
         except json.decoder.JSONDecodeError:
             data_from_file = spec_to_json.run(specfile=json_path, gen_cmd=True, save_json=False)