Simplify 'example.com' test: do not rely on stale hash

Author: danielinux

.github/workflows/test-example-com.yml

@@ -46,15 +46,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: test dohd resolution of example.com
-        id: test
         run: |
           sudo chmod a+x ./curl
           sleep 5
-          ./curl -s --doh-url https://127.0.0.1:8053 --doh-insecure https://example.com
-          echo "::set-output name=hash::$(./curl -s --doh-url https://127.0.0.1:8053 --doh-insecure https://example.com | sha256sum | cut -d' ' -f1 | xargs)"
-          echo "$(./curl -s --doh-url https://127.0.0.1:8053 --doh-insecure https://example.com | sha256sum | cut -d' ' -f1 | xargs)"
-
-      - name: check example hash
-        run: |
-          test ${{ steps.test.outputs.hash }} = ea8fac7c65fb589b0d53560f5251f74f9e9b243478dcb6b3ea79b5e36449c8d9
-
+          ./curl -s --doh-url https://127.0.0.1:8053 --doh-insecure https://example.com | grep -q "Example Domain"