expect:
        execute(unitOfWork)
        outOfDate(
            builder.withImplementation(ImplementationSnapshot.of("DifferentType", TestHashCodes.hashCodeFrom(1234))).build(),
            "The type of ${unitOfWork.displayName} has changed from 'org.gradle.internal.execution.UnitOfWork' to 'DifferentType'."
        )
    }

    def "out-of-date when any input files are added"() {