TT#70901 selenium: add log messages to selenium tests

- log messages are now shown in console for failed tests
- successful tests wont show log messages

Change-Id: Ifb5f3f2ce940c26c4a2f80f7b8b764994e7f5de6

t/selenium/nose2cfg/jenkinstest.cfg

@@ -12,3 +12,9 @@ test_fullname = True
 [multiprocess]
 always-on = True
 processes = 2
+
+
+[output-buffer]
+always-on = True
+stderr = False
+stdout = True

t/selenium/nose2cfg/localtest.cfg

@@ -12,3 +12,8 @@ test_fullname = True
 [multiprocess]
 always-on = True
 processes = 2
+
+[output-buffer]
+always-on = True
+stderr = False
+stdout = True