new File("target/compile-mojo").mkdir();
MavenProject mavenProject = new MavenProject();
mavenProject.getBuild().setOutputDirectory("target/compile-mojo");
CompileMojo mojo = new CompileMojo();
mojo.setBuildContext(new DefaultBuildContext());
mojo.setProject(mavenProject);
mojo.setSourceFolder(new File("src/test/java"));
mojo.execute();
}