made a test more user full

tests/test_upload.py

@@ -31,4 +31,9 @@ def test_load_conf():
 
 def test_init_from_env():
     setup_env()
-    Uploader()
+    up = Uploader()
+    assert up.config.host == os.environ["INFLUXDB_HOST"]
+    assert up.config.port == os.environ["INFLUXDB_PORT"]
+    assert up.config.user_name == os.environ["INFLUXDB_USER_NAME"]
+    assert up.config.database == os.environ["INFLUXDB_DATABASE"]
+    assert up.config.write_user_pw == os.environ["INFLUXDB_WRITE_USER_PASSWORD"]