Publish error artifacts immediatly in TeamCity

Change-Id: I69cb2208b7f6b3263ddb25fa26eebebcc6f9a7c3

uitest/src/com/vaadin/tests/tb3/ScreenshotTB3Test.java

@@ -31,6 +31,7 @@ import org.junit.Before;
 import org.junit.Rule;
 import org.junit.rules.TestRule;
 import org.junit.rules.TestWatcher;
+import org.junit.runner.Description;
 import org.openqa.selenium.OutputType;
 import org.openqa.selenium.TakesScreenshot;
 import org.openqa.selenium.remote.DesiredCapabilities;
@@ -65,7 +66,16 @@ public abstract class ScreenshotTB3Test extends AbstractTB3Test {
             }
 
             screenshotBaseName = className + "-" + testMethod;
-        };
+        }
+
+        @Override
+        protected void failed(Throwable e, Description description) {
+
+            // Notify Teamcity of failed test
+            System.out.print("##teamcity[publishArtifacts '");
+            System.out.println(getScreenshotErrorDirectory() + "/"
+                    + getScreenshotBaseName() + "* => screenshot-errors']");
+        }
     };
 
     /**

uitest/test.xml

@@ -134,6 +134,10 @@
             </batchtest>
         </junit>
 
+        <!-- Have teamcity publish each test error artifact immediatly if there are any -->
+        <basename property="basename" file="${target}" suffix="java" />
+        <echo>##teamcity[publishArtifacts '${com.vaadin.testbench.screenshot.directory}/errors/${basename}* => screenshot-errors']</echo>
+
     </target>
 
     <!-- Remove temporary source and compiled java files -->