move the junitlauncher jupiter sample test to the org/example directory, just like the vintage engine ones

build.xml

@@ -213,13 +213,19 @@
   </selector>
 
   <selector id="needs.junit.engine.vintage">
-    <!-- we need JUnit vintage engine only in tests where we test the junitlauncher task -->
-    <filename name="${src.junit}/org/apache/tools/ant/taskdefs/optional/junitlauncher/**/*"/>
+    <or>
+      <!-- we need JUnit vintage engine only in tests where we test the junitlauncher task -->
+      <filename name="${optional.package}/junitlauncher/**/*"/>
+      <filename name="org/example/junitlauncher/vintage/**/*"/>
+    </or>
   </selector>
 
   <selector id="needs.junit.engine.jupiter">
-    <!-- we need JUnit jupiter engine only in tests where we test the junitlauncher task -->
-    <filename name="${src.junit}/org/apache/tools/ant/taskdefs/optional/junitlauncher/**/*"/>
+    <or>
+      <!-- we need JUnit jupiter engine only in tests where we test the junitlauncher task -->
+      <filename name="${optional.package}/junitlauncher/**/*"/>
+      <filename name="org/example/junitlauncher/jupiter/**/*"/>
+    </or>
   </selector>
 
   <selector id="needs.apache-regexp">

src/etc/testcases/taskdefs/optional/junitlauncher.xml

@@ -103,9 +103,6 @@
                 <fileset dir="${build.classes.dir}">
                     <include name="org/example/**/junitlauncher/**/"/>
                 </fileset>
-                <fileset dir="${build.classes.dir}">
-                    <include name="org/apache/tools/ant/taskdefs/optional/junitlauncher/example/**/"/>
-                </fileset>
                 <listener type="legacy-brief" sendSysOut="true"/>
                 <listener type="legacy-xml" sendSysErr="true" sendSysOut="true"/>
             </testclasses>

src/tests/junit/org/apache/tools/ant/taskdefs/optional/junitlauncher/example/jupiter/JupiterSampleTest.java → src/tests/junit/org/example/junitlauncher/jupiter/JupiterSampleTest.java

@@ -15,7 +15,7 @@
  *  limitations under the License.
  *
  */
-package org.apache.tools.ant.taskdefs.optional.junitlauncher.example.jupiter;
+package org.example.junitlauncher.jupiter;
 
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.AfterEach;