diff --git a/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/DimmableStateTests.java b/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/DimmableStateTests.java
index dac93e1..11ce6b2 100644
--- a/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/DimmableStateTests.java
+++ b/src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/DimmableStateTests.java
@@ -33,4 +33,13 @@ public class DimmableStateTests {
         this.dimmableState.apply();
         assertEquals(30, d.getIntensity());
     }
+
+    @Test
+    @DisplayName("apply")
+    public void copy() {
+        this.dimmableState.setIntensity(30);
+
+        DimmableState copy = this.dimmableState.copy();
+        assertEquals(30, copy.getIntensity());
+    }
 }