tests: download tests artifact

Change-Id: Id889836921bc679edb286286707ef1b6cf5d5d14

ci/Jenkinsfile

@@ -110,6 +110,10 @@ pipeline {
                     sh 'su jenkins -c "cd /jami-client-android && ./compile.sh --test"'
                     sh 'cd /jami-client-android/ci && ./start_emu_headless.sh'
                     sh 'su jenkins -c "cd /jami-client-android/ci && ./jami_test.sh"'
+
+                    // Archive tests output save it as Jenkins artifact
+                    sh 'cd /jami-client-android/ci/spoon-output && zip -r ../ui-test-output.zip *'
+                    archiveArtifacts artifacts: 'ci/ui-test-output.zip', allowEmptyArchive: false
                 }
             }
         }