diff --git a/iidm/iidm-mergingview/src/test/java/com/powsybl/iidm/mergingview/ShuntCompensatorAdapterTest.java b/iidm/iidm-mergingview/src/test/java/com/powsybl/iidm/mergingview/ShuntCompensatorAdapterTest.java
index ad472ae9365..e490f06f9fc 100644
--- a/iidm/iidm-mergingview/src/test/java/com/powsybl/iidm/mergingview/ShuntCompensatorAdapterTest.java
+++ b/iidm/iidm-mergingview/src/test/java/com/powsybl/iidm/mergingview/ShuntCompensatorAdapterTest.java
@@ -54,12 +54,12 @@ public void testSetterGetter() {
 
         double b = shuntCExpected.getModel(ShuntCompensatorLinearModel.class).getbPerSection();
         assertEquals(b, shuntCActual.getModel(ShuntCompensatorLinearModel.class).getbPerSection(), 0.0d);
-        assertTrue(shuntCActual.getModel(ShuntCompensatorLinearModel.class).setbPerSection(++b) instanceof ShuntCompensatorAdapter);
+        shuntCActual.getModel(ShuntCompensatorLinearModel.class).setbPerSection(++b);
         assertEquals(shuntCExpected.getModel(ShuntCompensatorLinearModel.class).getbPerSection(), shuntCActual.getModel(ShuntCompensatorLinearModel.class).getbPerSection(), 0.0d);
 
         double currentB = shuntCExpected.getCurrentB();
         assertEquals(currentB, shuntCActual.getCurrentB(), 0.0d);
-        assertTrue(shuntCActual.getModel(ShuntCompensatorLinearModel.class).setbPerSection(++currentB) instanceof ShuntCompensatorAdapter);
+        shuntCActual.getModel(ShuntCompensatorLinearModel.class).setbPerSection(++currentB);
         assertEquals(shuntCExpected.getCurrentB(), shuntCActual.getCurrentB(), 0.0d);
 
         Terminal terminal = mergingView.getLccConverterStation("C1").getTerminal();