test: added a test for the plot description of the attribute complete…

…ness, still needs to be made less brittle #828

tests/integrationtests/indicators/test_attribute_completeness.py

@@ -110,6 +110,15 @@ def indicator(
         )
         asyncio.run(indicator.preprocess())
         indicator.calculate()
+        assert (
+            indicator.description
+            == (
+                "The ratio of the topic Building Count in the "
+                "selected area (all: 29936.0) "  # too specific, needs regex
+                "compared to the topic Building Count with the "
+                'expected tag "height" (matched: 8702.0) is 0.29. '
+            )
+        )
         return indicator
 
     # comment out for manual test