@Override
        protected boolean downloadFromMavenRepo(File pluginFile, PluginCoordinates coordinates,
                URI mavenRepoUrl) {
            // Testing - don't actually download from maven central here!
            File file = new File("src/test/resources/plugin.war");
            if (!file.isFile()) {
                return false;
            }
            try {
                FileUtils.copyFile(file, pluginFile);
                return true;
            } catch (IOException e) {
                return false;
            }
        }
@see io.apiman.manager.api.core.plugin.AbstractPluginRegistry#downloadFromMavenRepo(File, PluginCoordinates, URI) (java.io.File, io.apiman.common.plugin.PluginCoordinates, java.net.URL)
manager/api/core/src/test/java/io/apiman/manager/api/core/plugin/AbstractPluginRegistryTest.java