Day01 part 1, statement and failing tests

AdventOfCode2017.Tests/Day01_Tests.cs

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+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using AdventOfCode2017;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AdventOfCode2017.Tests
+{
+    [TestClass()]
+    public class Day01_Tests
+    {
+        [TestMethod()]
+        public void ResolvePart1__Test1()
+        {
+            Day01 day01 = new Day01();
+
+            string result = day01.ResolvePart1(new string[] { "1122", });
+
+            Assert.AreEqual("3", result);
+        }
+
+        [TestMethod()]
+        public void ResolvePart1__Test2()
+        {
+            Day01 day01 = new Day01();
+
+            string result = day01.ResolvePart1(new string[] { "1111", });
+
+            Assert.AreEqual("4", result);
+        }
+
+        [TestMethod()]
+        public void ResolvePart1__Test3()
+        {
+            Day01 day01 = new Day01();
+
+            string result = day01.ResolvePart1(new string[] { "1234", });
+
+            Assert.AreEqual("0", result);
+        }
+
+        [TestMethod()]
+        public void ResolvePart1__Test4()
+        {
+            Day01 day01 = new Day01();
+
+            string result = day01.ResolvePart1(new string[] { "91212129", });
+
+            Assert.AreEqual("9", result);
+        }
+    }
+}