File artifactFile = new File( repoRootInternal, commonsLangJar );
artifactFile.getParentFile().mkdirs();
FileUtils.writeStringToFile( artifactFile, expectedArtifactContents, Charset.defaultCharset() );
WebRequest request = new GetMethodWebRequest(
"http://machine.com/repository/internal/" + "commons-lang/jars/commons-lang-2.1-20050821.023400-1.jar" );
WebResponse response = getServletUnitClient().getResponse( request );
assertResponseOK( response );
assertEquals( "Expected file contents", expectedArtifactContents, response.getContentAsString() );