Run multiple test projects

runalltests.cs

//All.Tests program.cs
        public static int Main(string[] args)
        {
            var basepath = "./";

            if (args.Length > 0)
            {
                basepath = args[0];
            }

            var results = NUnitRunner.Run(basepath, typeof (Web.Tests.TestPlaceHolder), typeof (TestPlaceHolder), typeof(Infrastructure.Implementation.Tests.TestPlaceHolder));

            return results ? 0 : 1;
        }
        
//NUnitRunner
        public static bool Run(string basePath = "./", params Type[] types)
        {
            var passed = types.Aggregate(true, (current, type) => ExecuteTestSuite(type, basePath) && current);

            if (passed)
            {
                Console.ForegroundColor = ConsoleColor.Green;
                Console.WriteLine("\n\n***** All Passed *****\n\n");
                Console.ResetColor();
            }
            else
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine("\n\n***** Failures Encountered *****\n\n");
                Console.ResetColor();
            }
            return passed;
        }

        public static bool ExecuteTestSuite(Type type, string basepath)
        {
            var nUnitLiteOptions = new NUnitLiteOptions($"-result:{basepath}/{type.Namespace}.xml");
            nUnitLiteOptions.Validate();
            var result = new TextRunner(type.Assembly).Execute(new TextUI(new ColorConsoleWriter(), TextReader.Null, nUnitLiteOptions), nUnitLiteOptions);

            return result == 0;
        }