Rename parameters for ux reasons + reorganize testing

tests/test_configure.py

@@ -0,0 +1,15 @@
+import os
+
+from indicoio import config
+
+def test_batch_set_url_root_as_env_var():
+    test_data = ['clearly an english sentence']
+    old_private_cloud_url = os.environ.get("INDICO_PRIVATE_CLOUD_URL")
+    os.environ["INDICO_PRIVATE_CLOUD_URL"] = "http://not.a.real.url/"
+
+    assert config.get_api_root() == "http://not.a.real.url/"
+
+    if old_private_cloud_url:
+        os.environ["INDICO_PRIVATE_CLOUD_URL"] = old_private_cloud_url
+    else:
+        del(os.environ["INDICO_PRIVATE_CLOUD_URL"])