in core/src/main/java/org/apache/jsieve/TestManagerImpl.java [66:79]
public Class lookup(String name) throws LookupException {
Class testClass;
try {
testClass = getClass().getClassLoader().loadClass(
getClassName(name));
} catch (ClassNotFoundException e) {
throw new LookupException("Test named '" + name + "' not found.");
}
if (!ExecutableTest.class.isAssignableFrom(testClass))
throw new LookupException("Class " + testClass.getName()
+ " must implement " + ExecutableTest.class.getName());
return testClass;
}