Patch to fix the build-test workflow.

Author: jonathan-r-thorpe

.github/workflows/build-test.yml

@@ -429,6 +429,8 @@ jobs:
           run_python="python"
         fi
         pip install -r utilities/run-test-suites/gsheetsImport/requirements.txt
+        # PyOpenSSL 26.2+ removed OpenSSL.crypto.X509Extension; nmos-testing still uses it for certificate tests.
+        $run_python -m pip install 'pyOpenSSL<26.2'
 
         if [[ "${{ runner.os }}" == "Windows" ]]; then
           # install certificates

.github/workflows/src/amwa-test.yml

@@ -76,6 +76,8 @@
       run_python="python"
     fi
     pip install -r utilities/run-test-suites/gsheetsImport/requirements.txt
+    # PyOpenSSL 26.2+ removed OpenSSL.crypto.X509Extension; nmos-testing still uses it for certificate tests.
+    $run_python -m pip install 'pyOpenSSL<26.2'
 
     if [[ "${{ runner.os }}" == "Windows" ]]; then
       # install certificates