Tweak artifacts upload directory link for plugins.

tests/PHPUnit/travis.sh

@@ -18,7 +18,7 @@ then
     then
         if [ -n "$PLUGIN_NAME" ]
         then
-            artifacts_folder="ui-tests.master.$PLUGIN_NAME"
+            artifacts_folder="protected/ui-tests.master.$PLUGIN_NAME"
         else
             artifacts_folder="ui-tests.master"
         fi
@@ -30,7 +30,7 @@ then
 
         if [ -n "$PLUGIN_NAME" ]
         then
-            fixture=${PLUGIN_NAME:-OmniFixture}
+            fixture=${FIXTURE_NAME:-OmniFixture}
 
             phantomjs ../lib/screenshot-testing/run-tests.js --use-github-expected --fixture=$fixture $PLUGIN_NAME
         else

tests/travis/upload_artifacts.sh

@@ -48,7 +48,14 @@ else
             tar -cjf screenshot-diffs.tar.bz2 screenshot-diffs
             curl -X POST --data-binary @screenshot-diffs.tar.bz2 "$url_base&artifact_name=screenshot-diffs"
 
-            echo "View UI failures (if any) here: http://builds-artifacts.piwik.org/$branch_name/$TRAVIS_JOB_NUMBER/screenshot-diffs/diffviewer.html"
+            if [ -n "$PLUGIN_NAME" ];
+            then
+                diffviewer_url="http://builds-artifacts.piwik.org/protected/$branch_name/$TRAVIS_JOB_NUMBER/screenshot-diffs/diffviewer.html"
+            else
+                diffviewer_url="http://builds-artifacts.piwik.org/$branch_name/$TRAVIS_JOB_NUMBER/screenshot-diffs/diffviewer.html"
+            fi
+
+            echo "View UI failures (if any) here: $diffviewer_url"
         fi
     else
         echo "No artifacts for $TEST_SUITE tests."