this.rootDir = rootDir
    }

    void assertFailureHasError(
        ExecutionFailure failure,
        String error,
        @DelegatesTo(value = HasConfigurationCacheErrorSpec, strategy = Closure.DELEGATE_FIRST) Closure<?> specClosure
    ) {
        assertFailureHasError(failure, error, ConfigureUtil.configureUsing(specClosure))
    }

    void assertFailureHasError(
        ExecutionFailure failure,
        String error,