// safety
FileUtils.copyDirectory( new File( getBasedir(), "src/test/resources/unit/basic-clean-test" ), new File(
getBasedir(), "target/test-classes/unit/basic-clean-test" ), null, "**/.svn,**/.svn/**" );
StudioCleanMojo mojo = ( StudioCleanMojo ) lookupMojo( "clean", pluginPom );
assertNotNull( mojo );
mojo.execute();
assertFalse( "File maven-eclipse.xml exists", checkExists( getBasedir() + "/target/test-classes/unit/"
+ "basic-clean-test/maven-eclipse.xml" ) );
assertFalse( "File .externalToolBuilder exists", checkExists( getBasedir() + "/target/test-classes/unit/"
+ "basic-clean-test/.externalToolBuilders" ) );