tests/metrics: add basic test to ensure code is executable.

requirements.txt

@@ -7,6 +7,7 @@ urlgrabber
 pyxdg
 cmdln
 git+https://github.com/openSUSE/osc
+influxdb
 
 # Dependencies for testing
 httpretty<0.9.6

tests/metrics_tests.py

@@ -0,0 +1,12 @@
+from OBSLocal import OBSLocalTestCase
+import unittest
+
+
+class TestMetrics(OBSLocalTestCase):
+    script = './metrics.py'
+    script_debug_osc = False
+
+    def test_all(self):
+        self.osc_user('staging-bot')
+        self.execute_script(['--help']) # Avoids the need to influxdb instance.
+        self.assertOutput('metrics.py')