fail with error for test coverage below 90%

currently, 94% of the statements in the python library are tested

.gitlab-ci.yml

@@ -96,7 +96,8 @@ processing:
   stage: python
   script:
     - cd $DAMASKROOT/python
-    - pytest --basetemp=${TESTROOT}/python -v
+    - pytest --basetemp=${TESTROOT}/python -v --cov --cov-report=term
+    - coverage report --fail-under=90
   except:
     - master
     - release
@@ -108,7 +109,6 @@ preprocessing_deprecated:
   except:
     - master
     - release
-    - release
 
 ###################################################################################################
 compile_grid_Intel: