public DependenciesTests()
        {
            _configuration = new HttpConfiguration();
            _configuration.ConfigureDependencies();
        }

        [Fact]
        public void Configuration_Is_Valid()
        {
            _configuration.ValidateConfiguration();
        }

        public static void ValidateConfiguration(this HttpConfiguration config)
        {
            var container = config.GetDryIocContainer();
            var errors = container.VerifyResolutions();
            errors.Should().BeEmpty();
        }








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