diff --git a/releng.wtpbuilder/distribution/incubator.tests/testScripts/test.xml b/releng.wtpbuilder/distribution/incubator.tests/testScripts/test.xml
index 21045fcebf752d2e166e7dd7be2831b9c53d3673..dd700e5d31c748687af0f09e36d2d9ff4e4c038f 100644
--- a/releng.wtpbuilder/distribution/incubator.tests/testScripts/test.xml
+++ b/releng.wtpbuilder/distribution/incubator.tests/testScripts/test.xml
@@ -6,6 +6,12 @@
     <echo
         level="info"
         message="starting Automated Eclipse Testing" />
+	
+	
+	<!-- doesn't seem we had to do this before, in other test.xml's, so, 
+	not sure that's changed, but doing now to make sure all is installed -->
+	<property name="clean" value="yes" />
+	
     <echo
         level="debug"
         message="basedir: ${basedir}" />