docs: public static Assignments allUnassigned(Method testMethod,
              TestClass testClass) {
          List<ParameterSignature> signatures;
          signatures = ParameterSignature.signatures(testClass
                  .getOnlyConstructor());
          signatures.addAll(ParameterSignature.signatures(testMethod));
          return new Assignments(new ArrayList<PotentialAssignment>(),
                  signatures, testClass);
      }