diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index d65fbee..e2655d3 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false 
       matrix:
-        OS: ['ubuntu', 'macos', 'windows']
+        OS: ['ubuntu']
         PYTHON_VERSION: ['3.9', '3.10', '3.11']
         SPYDER_SOURCE: ['git']
     name: ${{ matrix.OS }} py${{ matrix.PYTHON_VERSION }} spyder-from-${{ matrix.SPYDER_SOURCE }}
@@ -95,11 +95,11 @@ jobs:
         uses: nick-fields/retry@v3
         with:
           timeout_minutes: 10
-          max_attempts: 3
+          max_attempts: 1
           shell: bash
           command: |
             . ~/.profile
-            xvfb-run --auto-servernum pytest --exitfirst spyder-notebook/spyder_notebook -vv
+            xvfb-run --auto-servernum pytest --log-level=DEBUG --exitfirst spyder-notebook/spyder_notebook -vv
       - name: Run tests (MacOS)
         if: matrix.OS == 'macos'
         uses: nick-fields/retry@v3