[ARCHETYPE-503] Unit tests with archetype-post-generate.groovy fail on Windows
diff --git a/archetype-common/src/test/archetypes/fileset_with_postscript-1.0/META-INF/archetype-post-generate.groovy b/archetype-common/src/test/archetypes/fileset_with_postscript-1.0/META-INF/archetype-post-generate.groovy
index 269196b..3ac5757 100644
--- a/archetype-common/src/test/archetypes/fileset_with_postscript-1.0/META-INF/archetype-post-generate.groovy
+++ b/archetype-common/src/test/archetypes/fileset_with_postscript-1.0/META-INF/archetype-post-generate.groovy
@@ -2,7 +2,7 @@
 
 def outputDirectory = new File( request.getOutputDirectory() );
 
-def packageFolder = request.getPackage().replaceAll( '\\.', this.'file.separator' );
+def packageFolder = request.getPackage().replace( '.', '/' );
 
 def toDelete = new File( outputDirectory, request.getArtifactId() + "/src/main/java/${packageFolder}/ToDelete.java" );