private ICollection <string> GetTestedMethods(DefaultService service)
        {
            var allTestTypes = this.GetType().Assembly.GetTypes();

            var genericType = typeof(ServiceTestClass <>);

            var serviceTestType = genericType.MakeGenericType(service.GetType());

            var testClasses = allTestTypes.Where(t => serviceTestType.IsAssignableFrom(t));

            var steps = new List <string>();

            foreach (var testClass in testClasses)
            {
                var testMethods = testClass.GetMethods().Where(m => m.GetCustomAttributes(typeof(TestMethodAttribute), false).FirstOrDefault() != null);

                foreach (var testMethod in testMethods)
                {
                    var methodAttribute = testMethod.GetCustomAttributes(typeof(ServiceMethodNameAttribute), false).FirstOrDefault() as ServiceMethodNameAttribute;

                    if (methodAttribute != null && !string.IsNullOrEmpty(methodAttribute.MethodName))
                    {
                        steps.Add(methodAttribute.MethodName);
                    }
                }
            }
            return(steps);
        }