Split up visual markdown specs into sections

So that it's easier to spot changes.

Signed-off-by: Rūdolfs Ošiņš <rudolfs@osins.org>

.github/workflows/check-e2e.yml

@@ -76,13 +76,21 @@ jobs:
             npm run test:e2e -- --project ${{ matrix.browser }};
           fi
 
-      # We don't care about the logs in visual snapshot tests, only the images.
+      # If a build succeeds, clear any artifacts from failed retries, so they
+      # don't end up in the visual diff archive.
+      - name: Cleanup artifacts
+        if: success()
+        run: |
+          rm -rf tests/artifacts/*
+
+      # We don't care about logs in visual snapshot tests, only the images.
       - name: Cleanup artifacts
         if: always()
         run: |
           if [ ${{ matrix.browser }} = "visual" ]; then
-              shopt -s globstar
-              rm -rf tests/visual/snapshots/**/*.log
+            shopt -s globstar;
+            rm -rf tests/artifacts/**/*.log;
+          fi
 
       - name: Upload artifacts
         uses: actions/upload-artifact@v3