param.setName( "testName" );
param.setExpression( "${project.distributionManagementArtifactRepository}" );
param.setRequired( true );
param.setEditable( false );
PluginParameterException error = buildException( "test", "test", Collections.singletonList( param ) );
String userMessage = diagnoser.diagnose( error );
System.out.println( userMessage );