Run all tests on scheduled pipelines

.gitlab-ci.yml

@@ -20,8 +20,6 @@ default:
 # test saqc with python 3.7
 python37:
   stage: test
-  except:
-    - schedules
   image: python:3.7
   script:
     - pytest tests/core tests/funcs tests/integration dios/test -Werror
@@ -31,8 +29,6 @@ python37:
 # test saqc with python 3.8
 python38:
   stage: test
-  except:
-    - schedules
   script:
     - pytest tests/core tests/funcs tests/integration dios/test -Werror
     - python -m saqc --config ressources/data/config.csv --data ressources/data/data.csv --outfile /tmp/test.csv
@@ -41,8 +37,6 @@ python38:
 # test saqc with python 3.9
 python39:
   stage: test
-  except:
-    - schedules
   image: python:3.9
   script:
     - pytest tests/core tests/funcs tests/integration dios/test -Werror
@@ -60,8 +54,6 @@ black:
 # make (visual) coverage in gitlab merge request diff's
 coverage:
   stage: test
-  except:
-    - schedules
   allow_failure: true
   script:
     - pip install pytest-cov coverage