clean tests projects only before the tests.

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@393089 13f79535-47bb-0310-9956-ffa450edef68

linkcheck/src/plugin-test/maven.xml

@@ -17,11 +17,10 @@
  -->
 <project xmlns:util="jelly:util" xmlns:j="jelly:core">
          
-  <goal name="testPlugin" prereqs="clean,test-linkcheck">
+  <goal name="testPlugin" prereqs="test-linkcheck">
   </goal>
   
-  <goal name="test-linkcheck">
-    <attainGoal name="clean"/>
+  <goal name="test-linkcheck" prereqs="clean">
     <attainGoal name="site"/>
   </goal>