Added geolocation tests

Author: hzlmn

tests/test_geolocation.py

@@ -0,0 +1,17 @@
+from aiohttp import web
+
+
+async def test_geolocate(aresponses, client):
+    aresponses.add(
+        'www.googleapis.com',
+        '/geolocation/v1/geolocate',
+        'post',
+        aresponses.Response(
+            body='{"status": "OK"}',
+            status=web.HTTPOk.status_code,
+            content_type='application/json',
+        )
+    )
+
+    resp = await client.geolocate()
+    assert resp