[mod] move searx/testing.py to the tests directory

move robot tests to tests.robot
manage calls "python -m tests.robot"

tests/unit/engines/test_command.py

@@ -16,7 +16,7 @@ along with searx. If not, see < http://www.gnu.org/licenses/ >.
 
 
 from searx.engines import command as command_engine
-from searx.testing import SearxTestCase
+from tests import SearxTestCase
 
 
 class TestCommandEngine(SearxTestCase):

tests/unit/engines/test_xpath.py

@@ -2,7 +2,7 @@
 from collections import defaultdict
 import mock
 from searx.engines import xpath
-from searx.testing import SearxTestCase
+from tests import SearxTestCase
 
 
 class TestXpathEngine(SearxTestCase):