private List<String> findSpecs() throws MojoExecutionException {
final List<String> specNames;
try {
List<File> specFiles = new SpecClassFileFinder().findRunnableSpecs(testOutputDirectory);
specNames = new ArrayList<String>(specFiles.size());
for (File file : specFiles) {
String path = file.getAbsolutePath();
String name = path.substring(testOutputDirectory.getAbsolutePath().length() + 1,
path.length() - ".class".length()).replace(File.separatorChar, '.');