Add Marionette launcher test for Python

py/test/selenium/webdriver/firefox/mn_launcher_tests.py

@@ -0,0 +1,41 @@
+# Licensed to the Software Freedom Conservancy (SFC) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The SFC licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+
+from selenium import webdriver
+
+
+class TestMarionetteLauncher:
+
+    def test_launch_and_close_browser(self):
+        capabilities = {'marionette': True}
+        self.driver = webdriver.Firefox(capabilities=capabilities)
+        assert 'appBuildId' in self.driver.capabilities
+        self.driver.quit()
+
+    def teardown_method(self, method):
+        try:
+            self.driver.quit()
+        except:
+            pass
+
+
+def teardown_module(module):
+    try:
+        TestMarionetteLauncher.driver.quit()
+    except:
+        pass