Use Firefox as the default webdriver for tests.

asl_rulebook2/webapp/tests/test_underscores_in_ruleids.py

@@ -23,7 +23,9 @@ def test_search_results( webdriver, webapp ):
         refresh_webapp( webdriver )
         results = do_search( ruleid )
         assert results == []
-        assert get_curr_target() == ( 'kampfgruppe-scherer!', 'KGS_CG1' )
+        wait_for( 2,
+            lambda: get_curr_target() == ( 'kampfgruppe-scherer!', 'KGS_CG1' )
+        )
 
 # ---------------------------------------------------------------------
 

conftest.py

@@ -33,8 +33,8 @@ def pytest_addoption( parser ):
         help="Webapp server to test against."
     )
     parser.addoption(
-        "--webdriver", action="store", dest="webdriver", default="chrome",
-        help="Webdriver to use (Chrome/Firefox)."
+        "--webdriver", action="store", dest="webdriver", default="firefox",
+        help="Webdriver to use (chrome/firefox)."
     )
     parser.addoption(
         "--headless", action="store_true", dest="headless", default=False,