Fix attribute name in test

tests/test_calcat_interface2.py

@@ -59,5 +59,5 @@ def test_AGIPD_CalibrationData_report():
     # Report ID: https://in.xfel.eu/calibration/reports/3757
     agipd_cd = CalibrationData.from_report(3757)
     assert set(agipd_cd) == {'Offset', 'Noise', 'ThresholdsDark', 'BadPixelsDark'}
-    assert agipd_cd.aggregators == [f'AGIPD{n:02}' for n in range(16)]
+    assert agipd_cd.aggregator_names == [f'AGIPD{n:02}' for n in range(16)]
     assert isinstance(agipd_cd['Offset'].constants['AGIPD00'], SingleConstantVersion)