Split exceptions/test, fix test_client_disabling

Move exceptions to own file
Get environment variables in own method
Make chromedriver path an environment variable and check for it
Remove empty lines
Add excplicit wait in job cancel test
Fix test_client_disabling by going back to dashboard before disabling a client

Signed-off-by: Frank Bergkemper <frank.bergkemper@bareos.com>

tests/selenium/seleniumtestexceptions.py

@@ -0,0 +1,47 @@
+class BadJobException(Exception):
+    '''Raise when a started job doesn't result in ID'''
+    def __init__(self, msg=None):
+        msg = 'Job ID could not be saved after starting the job.'
+        super(BadJobException, self).__init__(msg)
+
+class ClientStatusException(Exception):
+    '''Raise when a client does not have the expected status'''
+    def __init__(self,client, status, msg=None):
+        if status=='enabled':
+            msg = '%s is enabled and cannot be enabled again.' % client
+        if status=='disabled':
+            msg = '%s is disabled and cannot be disabled again.' % client
+        super(ClientStatusException, self).__init__(msg)
+
+class ClientNotFoundException(Exception):
+    '''Raise when the expected client is not found'''
+    def __init__(self, client, msg=None):
+        msg = 'The client %s was not found.' % client
+        super(ClientNotFoundException, self).__init__(msg)
+
+class ElementCoveredException(Exception):
+    '''Raise when an element is covered by something'''
+    def __init__(self, value):
+        msg = 'Click on element %s failed as it was covered by another element.' % value
+        super(ElementCoveredException, self).__init__(msg)
+
+class ElementTimeoutException(Exception):
+    '''Raise when waiting on an element times out'''
+    def __init__(self, value):
+        if value != 'spinner':
+            msg = 'Waiting for element %s returned a TimeoutException.' % value
+        else:
+            msg = 'Waiting for the spinner to disappear returned a TimeoutException.' % value
+        super(ElementTimeoutException, self).__init__(msg)
+
+class ElementNotFoundException(Exception):
+    '''Raise when an element is not found'''
+    def __init__(self, value):
+        msg = 'Element %s was not found.' % value
+        super(ElementTimeoutException, self).__init__(msg)
+
+class FailedClickException(Exception):
+    '''Raise when wait_and_click fails'''
+    def __init__(self, value):
+        msg = 'Waiting and trying to click %s failed.' % value
+        super(FailedClickException, self).__init__(msg)