tests: Ignore protobuf 3 showcase tests in native profile. Add protobuf 3 showcase tests as a separate step.

Author: blakeli0

.github/workflows/ci.yaml

@@ -386,6 +386,12 @@ jobs:
           mvn clean verify -P '!showcase,enable-integration-tests,loggingTestBase,disabledLogging'  \
             --batch-mode \
             --no-transfer-progress
+      - name: Showcase integration tests - Protobuf 3 compatibility with third party library Tensorflow
+        working-directory: java-showcase
+        run: |
+          mvn clean verify -P 'enable-integration-tests,protobuf3,showcase'  \
+            --batch-mode \
+            --no-transfer-progress
 
   showcase-clirr:
     if: ${{ github.base_ref != '' }} # Only execute on pull_request trigger event

java-showcase/pom.xml

@@ -79,6 +79,7 @@
               <!--   Do not compile by default (without logging deps)  -->
               <testExcludes>
                 <testExclude>**/com/google/showcase/v1beta1/it/logging/*.java</testExclude>
+                <testExclude>**/com/google/showcase/v1beta1/it/ITProtobuf3Compatibility.java</testExclude>
               </testExcludes>
             </configuration>
           </plugin>