Fix problem with singleton impact on TC execution

Change-Id: I154c150d8c6c6620344f3f584d3ec7e7201a46ff
Issue-ID: SO-643
Signed-off-by: Bogumil Zebek <bogumil.zebek@nokia.com>
diff --git a/bpmn/pom.xml b/bpmn/pom.xml
index 2989a18..d7e26f9 100644
--- a/bpmn/pom.xml
+++ b/bpmn/pom.xml
@@ -105,6 +105,7 @@
         <artifactId>maven-surefire-plugin</artifactId>
         <version>2.19.1</version>
         <configuration>
+          <redirectTestOutputToFile>true</redirectTestOutputToFile>
           <testFailureIgnore>false</testFailureIgnore>
           <argLine>${surefireArgLine} -Xss1m</argLine>
           <forkCount>1</forkCount>