diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8520e1ba6e..0a9c00ba14 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -158,15 +158,15 @@ jobs:
             bash build_nim.sh nim csources dist/nimble NimBinaries
           echo '${{ github.workspace }}/nim/bin' >> $GITHUB_PATH
 
-      - name: Run tests
-        run: |
-          nim --version
-          nimble --version
-          nimble install -y --depsOnly
-          nimble test
+#      - name: Run tests
+#        run: |
+#          nim --version
+#          nimble --version
+#          nimble install -y --depsOnly
+#          nimble test
 
   autobahn-test:
-    if: github.event_name == 'push'
+    if: github.event_name == 'push' || github.event_name == 'pull_request'
     name: "Autobahn test suite"
     runs-on: ubuntu-20.04
 
@@ -198,16 +198,17 @@ jobs:
       - name: Setup Python version
         uses: actions/setup-python@v2
         with:
-          python-version: pypy-3.7
+          python-version: pypy-2.7
 
       - name: Setup Autobahn.
         run: |
-          sudo apt-get install -y python3-dev
+          sudo apt-get install -y python2.7-dev
           pip install virtualenv
           pip install markdown2
-          virtualenv --python=/usr/bin/python3 autobahn
+          virtualenv --python=/usr/bin/python2.7 autobahn
           source autobahn/bin/activate
-          pip install autobahntestsuite
+          pip install autobahntestsuite txaio==2.1.0 autobahn[twisted,accelerate]==0.10.9 jinja2==2.6 markupsafe==0.19 Werkzeug==0.9.6 klein==0.2.3 pyopenssl service_identity==14.0.0 unittest2==1.1.0 wsaccel==0.6.2
+          pip freeze
           nimble install -y --depsOnly
 
       - name: Generate index.html