Added a few basic tests

tests/conftest.py

@@ -0,0 +1,15 @@
+from os import environ
+
+import pytest
+
+from pyrmv import Client
+
+
+@pytest.fixture()
+def api_token() -> str:
+    return environ.get("RMV_TOKEN")
+
+
+@pytest.fixture()
+def api_client(api_token: str) -> Client:
+    return Client(api_token)