Update PhysicalUnits_Tests.cs

Author: Elias Ruemmler

FlowCalc_Test/PhysicalUnits_Tests.cs

@@ -8,6 +8,13 @@ namespace FlowCalc_Test
     [TestClass]
     public class PhysicalUnits_Tests
     {
+        [TestCategory("FlowRate")]
+        [TestMethod]
+        public void L_Per_H_ToBase2_Test()
+        {
+            Assert.AreEqual(6, UnitConverter.ToBase(6000, Units.L_Per_H), 1E-9);
+        }
+
         [TestCategory("FlowRate")]
         [TestMethod]
         public void L_Per_Min_ToBase_Test()