enable validateMapping for event conformance tests (GoogleCloudPlatform#125)

Author: matthewrobertson

.github/workflows/conformance.yml

@@ -24,23 +24,23 @@ jobs:
         go-version: '1.15'
 
     - name: Run HTTP conformance tests
-      uses: GoogleCloudPlatform/functions-framework-conformance/[email protected].9
+      uses: GoogleCloudPlatform/functions-framework-conformance/[email protected].10
       with:
         functionType: 'http'
         useBuildpacks: false
         validateMapping: false
         cmd: "'functions-framework --source tests/conformance/main.py --target write_http --signature-type http'"
 
     - name: Run event conformance tests
-      uses: GoogleCloudPlatform/functions-framework-conformance/[email protected].9
+      uses: GoogleCloudPlatform/functions-framework-conformance/[email protected].10
       with:
         functionType: 'legacyevent'
         useBuildpacks: false
-        validateMapping: false
+        validateMapping: true
         cmd: "'functions-framework --source tests/conformance/main.py --target write_legacy_event --signature-type event'"
 
     - name: Run cloudevent conformance tests
-      uses: GoogleCloudPlatform/functions-framework-conformance/[email protected].9
+      uses: GoogleCloudPlatform/functions-framework-conformance/[email protected].10
       with:
         functionType: 'cloudevent'
         useBuildpacks: false