@Nullable
  private MethodInfo createMethod(String name, MethodKind kind) {
    Method reflection = findMethod(name, kind);
    if (reflection == null) return null;
    return createMethod(reflection, kind, name);
  }
Builds a SpecInfo from a Class instance.

@author Peter Niederwieser
spock-core/src/main/java/org/spockframework/runtime/SpecInfoBuilder.java