add a test for q_lvl

tests/test_probabilist.py

@@ -94,7 +94,7 @@ class TestMetrics(unittest.TestCase):
         metric: (
             numpy.genfromtxt(f"./expected/evalp/{metric}_QLVL.csv", delimiter=',')
             [numpy.newaxis, numpy.newaxis, numpy.newaxis, numpy.newaxis, ...]
-        ) for metric in ('CR')
+        ) for metric in ('CR',)
     }
 
     expected_mvr = {