fixed matrix

Author: Victoria Hall

.github/workflows/ci_e2e_workflow.yml

@@ -27,7 +27,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: [3.7, 3.8, 3.9, "3.10", "3.11"]
-        test-type: ["fwpc", "e2e", "deferred-bindings"]
+        test-type: [fwpc, e2e, deferred-bindings]
     permissions: read-all
     steps:
       - name: Checkout code.