diff --git a/ICD.Common.Utils.Tests/Extensions/EnumerableExtensionsTest.cs b/ICD.Common.Utils.Tests/Extensions/EnumerableExtensionsTest.cs
index f31ad4a..072b140 100644
--- a/ICD.Common.Utils.Tests/Extensions/EnumerableExtensionsTest.cs
+++ b/ICD.Common.Utils.Tests/Extensions/EnumerableExtensionsTest.cs
@@ -3,6 +3,7 @@ using ICD.Common.Utils.Extensions;
 using NUnit.Framework;
 using System.Collections.Generic;
 using System.Linq;
+using System;
 
 namespace ICD.Common.Utils.Tests.Extensions
 {
@@ -323,13 +324,22 @@ namespace ICD.Common.Utils.Tests.Extensions
         [Test]
         public void MinByTest()
         {
-            Assert.Inconclusive();
+            Assert.AreEqual(1, (new int[] { 3, 6, 2, 7, 1 }).MinBy(i => i));
         }
 
         [Test]
         public void MinByComparerTest()
         {
-            Assert.Inconclusive();
+            IComparer<int> comparer = new NegativeComparer();
+            Assert.AreEqual(7, (new int[] { 3, 6, 2, 7, 1 }).MinBy(i => i, comparer));
+        }
+
+        private class NegativeComparer : IComparer<int>
+        {
+            public int Compare(int x, int y)
+            {
+                return Comparer<int>.Default.Compare(-x, -y);
+            }
         }
 
         [Test]
diff --git a/ICD.Common.Utils.Tests/Extensions/StringExtensionsTest.cs b/ICD.Common.Utils.Tests/Extensions/StringExtensionsTest.cs
index 4b42b16..083b777 100644
--- a/ICD.Common.Utils.Tests/Extensions/StringExtensionsTest.cs
+++ b/ICD.Common.Utils.Tests/Extensions/StringExtensionsTest.cs
@@ -10,7 +10,9 @@ namespace ICD.Common.Utils.Tests.Extensions
         [Test]
         public void IndexOfTest()
         {
-            Assert.Inconclusive();
+            string first;
+            Assert.AreEqual(5, "test1test3test2".IndexOf(new string[] { "test2", "test3" }, out first));
+            Assert.AreEqual("test3", first);
         }
 
         [TestCase(true, "12345", '1')]