no parallel testing for now.
diff --git a/releng/build-scripts/build/test.xml b/releng/build-scripts/build/test.xml
index 4b50a08..dfea603 100644
--- a/releng/build-scripts/build/test.xml
+++ b/releng/build-scripts/build/test.xml
@@ -152,7 +152,7 @@
       <!-- debug tests don't like parallelization -->

       <antcall target="jdt_debug_tests" />

       <antcall target="otdt_debug_tests" />

-	  <parallel threadCount="2">

+	  <!--parallel threadCount="2"-->

                 <!-- "slow", ui tests come first -->

                 <antcall target="jdt_ref_tests" />

                 <antcall target="jdt_ui_tests" />

@@ -165,7 +165,7 @@
                 <antcall target="jdtcore_model_tests" />

                 <antcall target="otdt_builder_tests" />

                 <!-- antcall target="otdt_metrics_tests" / -->

-	  </parallel>

+	  <!--/parallel-->

 	</target>

 	

 	<target name="onlyone">