step method
Add a Type with defined step definitions
Implementation
void step(Type clazz) {
final ClassMirror lib = reflectClass(clazz);
if (lib.isAbstract) {
_log.warning('Skipping abstract type ${lib.simpleName}, assuming a subclass will be present to pick up its step methods');
} else {
_stepdefs.add(clazz);
}
}