testCompilerNotFound is not relevant if the class folder containing the adapter is on the system classpath like in Gump

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@1077809 13f79535-47bb-0310-9956-ffa450edef68

src/tests/antunit/taskdefs/rmic-test.xml

@@ -49,7 +49,7 @@ public class Adapter implements RmicAdapter {
     <javac srcdir="${input}" destdir="${resources}"/>
   </target>
 
-  <target name="testCompilerNotFound" depends="-create-rmic-adapter">
+  <target name="testCompilerNotFound" depends="-create-rmic-adapter" unless="build.sysclasspath.only">
     <au:expectfailure>
       <rmic base="${resources}" includes="**/*.class"
             compiler="org.example.Adapter"/>