diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index 76a6b72d..3e0bea80 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -5,7 +5,7 @@ on:
   push:
     branches: [ "master" ]
   pull_request:
-    branches: [ "master" ]
+    branches: [ "master", "develop-tests" ]
 
 permissions:
   contents: read
@@ -28,9 +28,9 @@ jobs:
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        flake8 . --count --select=E9,F63,F7,F82 --ignore=F821 --show-source --statistics --exclude=HSP2/ACIDPH.py
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-    - name: Test with pytest
+    - name: Test with pytest tests/ptest/test_sysexit.py
       run: |
         pytest