Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.CalculatedInput.Test/Converters/PhreaticLineOffsetsConverterTest.cs
===================================================================
diff -u -rcfa7dc2bce5e37f5677d9c8772b68599f9e26a0c -rd485f27eb5a6d688406882dce60c3229e22f2ac2
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.CalculatedInput.Test/Converters/PhreaticLineOffsetsConverterTest.cs	(.../PhreaticLineOffsetsConverterTest.cs)	(revision cfa7dc2bce5e37f5677d9c8772b68599f9e26a0c)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.CalculatedInput.Test/Converters/PhreaticLineOffsetsConverterTest.cs	(.../PhreaticLineOffsetsConverterTest.cs)	(revision d485f27eb5a6d688406882dce60c3229e22f2ac2)
@@ -60,19 +60,19 @@
             PhreaticLineOffsets offsets = PhreaticLineOffsetsConverter.Convert(input);
 
             // Assert
-            Assert.IsTrue((bool) offsets.UseDefaults);
-            Assert.IsNaN((double) offsets.BelowDikeTopAtRiver);
-            Assert.IsNaN((double) offsets.BelowDikeTopAtPolder);
-            Assert.IsNaN((double) offsets.BelowDikeToeAtPolder);
-            Assert.IsNaN((double) offsets.BelowShoulderBaseInside);
+            Assert.IsTrue(offsets.UseDefaults);
+            Assert.IsNaN(offsets.BelowDikeTopAtRiver);
+            Assert.IsNaN(offsets.BelowDikeTopAtPolder);
+            Assert.IsNaN(offsets.BelowDikeToeAtPolder);
+            Assert.IsNaN(offsets.BelowShoulderBaseInside);
         }
 
         [Test]
         public void Convert_UseDefaultOffsetsFalse_ReturnUpliftVanPhreaticLineOffsets()
         {
             // Setup
             var random = new Random(11);
-            var input = new MacroStabilityInwardsLocationInputExtreme
+            var input = new TestMacroStabilityInwardsLocationInput
             {
                 UseDefaultOffsets = false,
                 PhreaticLineOffsetBelowDikeTopAtRiver = random.NextRoundedDouble(),
@@ -85,11 +85,13 @@
             PhreaticLineOffsets offsets = PhreaticLineOffsetsConverter.Convert(input);
 
             // Assert
-            Assert.IsFalse((bool) offsets.UseDefaults);
+            Assert.IsFalse(offsets.UseDefaults);
             Assert.AreEqual(input.PhreaticLineOffsetBelowDikeTopAtRiver, offsets.BelowDikeTopAtRiver);
             Assert.AreEqual(input.PhreaticLineOffsetBelowDikeTopAtPolder, offsets.BelowDikeTopAtPolder);
             Assert.AreEqual(input.PhreaticLineOffsetBelowDikeToeAtPolder, offsets.BelowDikeToeAtPolder);
             Assert.AreEqual(input.PhreaticLineOffsetBelowShoulderBaseInside, offsets.BelowShoulderBaseInside);
         }
+
+        private class TestMacroStabilityInwardsLocationInput : MacroStabilityInwardsLocationInputBase {}
     }
 }
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