Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Service.Test/MacroStabilityInwardsInputValidatorTest.cs
===================================================================
diff -u -r0c5bcfd7a61efa90f83d11dd36c4d8582a78d63f -r759f6be6e236893dc93d050093615c1b9d933e6b
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Service.Test/MacroStabilityInwardsInputValidatorTest.cs	(.../MacroStabilityInwardsInputValidatorTest.cs)	(revision 0c5bcfd7a61efa90f83d11dd36c4d8582a78d63f)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Service.Test/MacroStabilityInwardsInputValidatorTest.cs	(.../MacroStabilityInwardsInputValidatorTest.cs)	(revision 759f6be6e236893dc93d050093615c1b9d933e6b)
@@ -364,7 +364,8 @@
         public void Validate_MultipleTangentLinesWithTangentLineTopAndBottomSame_ReturnsError()
         {
             // Setup
-            input.TangentLineNumber = 3;
+            var random = new Random(21);
+            input.TangentLineNumber = random.Next(2, 50);
             input.TangentLineZTop = (RoundedDouble) 1.5;
             input.TangentLineZBottom = (RoundedDouble) 1.5;
 
@@ -382,7 +383,8 @@
         public void Validate_MultipleTangentLinesWithTangentLineTopAndBottomNotSame_ReturnsEmpty()
         {
             // Setup
-            input.TangentLineNumber = 4;
+            var random = new Random(21);
+            input.TangentLineNumber = random.Next(2, 50);
             input.TangentLineZTop = (RoundedDouble) 1.5;
             input.TangentLineZBottom = (RoundedDouble) 0.2;