Maven plugin completion fix

for other (than Java) JVM languages

plugins/mvn/mvn.plugin.zsh

@@ -163,7 +163,7 @@ function listMavenCompletions {
         cli:execute cli:execute-phase 
         archetype:generate generate-sources 
         cobertura:cobertura
-        -Dtest= `if [ -d ./src ] ; then find ./src/test/java -type f -name '*.java' | grep -v svn | sed 's?.*/\([^/]*\)\..*?-Dtest=\1?' ; fi`
+        -Dtest= `if [ -d ./src/test/java ] ; then find ./src/test/java -type f -name '*.java' | grep -v svn | sed 's?.*/\([^/]*\)\..*?-Dtest=\1?' ; fi`
     ); 
 }