Fix debug.arrow test

We return a wide table instead of key-value pairs

Author: FlorentinD

graphdatascience/tests/integration/test_system_ops.py

@@ -33,7 +33,7 @@ def test_sysInfo(gds: GraphDataScience) -> None:
 def test_debug_arrow(gds: GraphDataScience) -> None:
     result = gds.debug.arrow()
 
-    assert "listenAddress" in (list(result["key"]))
+    assert "listenAddress" in (result.keys())
 
 
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