Index: Ringtoets/Piping/test/Ringtoets.Piping.Integration.Test/PipingFailureMechanismResultViewIntegrationTest.cs
===================================================================
diff -u -r322ca426e9954f73c4cfb15a9a78accdf070c404 -r203fe7f4614970538026ede54f0517db8ac6929d
--- Ringtoets/Piping/test/Ringtoets.Piping.Integration.Test/PipingFailureMechanismResultViewIntegrationTest.cs	(.../PipingFailureMechanismResultViewIntegrationTest.cs)	(revision 322ca426e9954f73c4cfb15a9a78accdf070c404)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Integration.Test/PipingFailureMechanismResultViewIntegrationTest.cs	(.../PipingFailureMechanismResultViewIntegrationTest.cs)	(revision 203fe7f4614970538026ede54f0517db8ac6929d)
@@ -122,15 +122,15 @@
                 // Execute the first calculation and ensure the data grid view is updated
                 pipingCalculation1.Output = new TestPipingOutput();
                 pipingCalculation1.NotifyObservers();
-                Assert.AreEqual($"1/{1.0 / 31846382.0:N0}",
+                Assert.AreEqual("1/980,908,719,666,769,000,000",
                                 dataGridView.Rows[22].Cells[assessmentLayerTwoAIndex].FormattedValue);
                 Assert.IsEmpty(dataGridView.Rows[22].Cells[assessmentLayerTwoAIndex].ErrorText);
 
                 // Add another, nested calculation without surface line and ensure the data grid view is updated when the surface line is set
                 var pipingCalculation3 = new PipingCalculationScenario(new GeneralPipingInput());
                 nestedPipingCalculationGroup.Children.Add(pipingCalculation3);
                 nestedPipingCalculationGroup.NotifyObservers();
-                Assert.AreEqual($"1/{1.0 / 31846382.0:N0}",
+                Assert.AreEqual("1/980,908,719,666,769,000,000",
                                 dataGridView.Rows[22].Cells[assessmentLayerTwoAIndex].FormattedValue);
                 Assert.IsEmpty(dataGridView.Rows[22].Cells[assessmentLayerTwoAIndex].ErrorText);
 
@@ -164,7 +164,7 @@
                 // Set contribution again so we have a probability.
                 pipingCalculation1.Contribution = (RoundedDouble) 1.0;
                 pipingCalculation1.NotifyObservers();
-                Assert.AreEqual($"1/{1.0 / 31846382.0:N0}",
+                Assert.AreEqual("1/980,908,719,666,769,000,000",
                                 dataGridView.Rows[22].Cells[assessmentLayerTwoAIndex].FormattedValue);
                 Assert.IsEmpty(dataGridView.Rows[22].Cells[assessmentLayerTwoAIndex].ErrorText);