try to not build test.performance and ant.optional.junit from CVS but include these from the test framework.
was: failure to install test.performance, perhaps due to duplication.
diff --git a/features/org.eclipse.objectteams.otdt.feature/unit-tests-feature/feature.xml b/features/org.eclipse.objectteams.otdt.feature/unit-tests-feature/feature.xml
index ab133ac..867f40e 100644
--- a/features/org.eclipse.objectteams.otdt.feature/unit-tests-feature/feature.xml
+++ b/features/org.eclipse.objectteams.otdt.feature/unit-tests-feature/feature.xml
@@ -41,21 +41,10 @@
       <import plugin="org.eclipse.jdt.debug"/>

       <import plugin="org.eclipse.team.core"/>

       <import plugin="org.eclipse.text"/>

+      <import plugin="org.eclipse.test.performance"/>

+      <import plugin="org.eclipse.ant.optional.junit"/>

    </requires>

 

-

-   <plugin

-         id="org.eclipse.test.performance"

-         download-size="0"

-         install-size="0"

-         version="0.0.0"/>

-

-   <plugin

-   		 id="org.eclipse.ant.optional.junit"

-   		 download-size="0"

-   		 install-size="0"

-   		 version="0.0.0"/>

-

    <plugin

          id="org.eclipse.jdt.core.tests.compiler"

          download-size="0"

diff --git a/releng/map/otdt.map b/releng/map/otdt.map
index e72967c..6bb70b2 100644
--- a/releng/map/otdt.map
+++ b/releng/map/otdt.map
@@ -54,10 +54,10 @@
 !plugin@org.eclipse.jdt.debug.tests=SVN,url=svn://localhost/svnroot/tools/org.eclipse.objectteams/,path=testplugins/org.eclipse.jdt.debug.tests

 

 !-- .. but from original CVS:

-plugin@org.eclipse.test.performance=v20100122,/cvsroot/eclipse,

+!plugin@org.eclipse.test.performance=v20100122,/cvsroot/eclipse,

 plugin@org.eclipse.jdt.core.tests.builder=v_A45,/cvsroot/eclipse,

 plugin@org.eclipse.jdt.debug.tests=v20100322,/cvsroot/eclipse,

-plugin@org.eclipse.ant.optional.junit=v20080717,/cvsroot/eclipse,

+!plugin@org.eclipse.ant.optional.junit=v20080717,/cvsroot/eclipse,