diff --git a/carApp/.DS_Store b/carApp/.DS_Store
index 5aa1c5b..9fb14e2 100644
Binary files a/carApp/.DS_Store and b/carApp/.DS_Store differ
diff --git a/carApp/src/.DS_Store b/carApp/src/.DS_Store
index 41722a8..78f6bb5 100644
Binary files a/carApp/src/.DS_Store and b/carApp/src/.DS_Store differ
diff --git a/carApp/src/test/java/CarTest.java b/carApp/src/test/java/CarTest.java
index eade0e8..16a8209 100644
--- a/carApp/src/test/java/CarTest.java
+++ b/carApp/src/test/java/CarTest.java
@@ -1,42 +1,83 @@
+import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+
 import static org.assertj.core.api.Assertions.assertThat;
 
 public class CarTest {
 
-    private Car voiture;
+    private Car car;
+    private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
+    private final PrintStream originalOut = System.out;
 
     @BeforeEach
     public void setUp() {
-        voiture = new Car("Sedan", "Bleu");
+        car = new Car("Sedan", "Bleu");
+        System.setOut(new PrintStream(outContent));
+    }
+
+    @AfterEach
+    public void restoreStreams() {
+        System.setOut(originalOut);
     }
 
     @Test
     public void testAccelerate() {
-        voiture.accelerate();
-        assertThat(voiture.getSpeed()).isEqualTo(10);
+        car.accelerate();
+        assertThat(car.getSpeed()).isEqualTo(10);
     }
 
     @Test
     public void testSlowDown() {
-        voiture.accelerate();
-        voiture.slowDown();
-        assertThat(voiture.getSpeed()).isEqualTo(0);
+        car.accelerate();
+        car.slowDown();
+        assertThat(car.getSpeed()).isEqualTo(0);
     }
 
     @Test
     public void testAccelerateToMax() {
         for (int i = 0; i < 12; i++) {
-            voiture.accelerate();
+            car.accelerate();
         }
-        assertThat(voiture.getSpeed()).isEqualTo(120);
+        assertThat(car.getSpeed()).isEqualTo(120);
     }
 
     @Test
     public void testSlowDownToMin() {
-        voiture.accelerate();
-        voiture.slowDown();
-        voiture.slowDown();
-        assertThat(voiture.getSpeed()).isEqualTo(0);
+        car.accelerate();
+        car.slowDown();
+        car.slowDown();
+        assertThat(car.getSpeed()).isEqualTo(0);
+    }
+
+    @Test
+    public void testStartCar() {
+        Driver driver = new Driver("John", 20);
+        car.startCar(driver);
+        assertThat(outContent.toString().trim()).isEqualTo("John démarre la voiture.");
+    }
+
+    @Test
+    public void testStopCar() {
+        Driver driver = new Driver("John", 20);
+        car.stopCar(driver);
+        assertThat(outContent.toString().trim()).isEqualTo("John arrête la voiture.");
+    }
+
+    @Test
+    public void testChangeSpeed() {
+        Driver driver = new Driver("John", 20);
+        car.changeSpeed(driver, 80);
+        assertThat(car.getSpeed()).isEqualTo(80);
+    }
+
+    @Test
+    public void testChangeSpeedToSame() {
+        Driver driver = new Driver("John", 20);
+        car.changeSpeed(driver, 10);
+        assertThat(car.getSpeed()).isEqualTo(10);
     }
 }
\ No newline at end of file
diff --git a/carApp/src/test/java/DriverTest.java b/carApp/src/test/java/DriverTest.java
index 80f8c3c..529b04d 100644
--- a/carApp/src/test/java/DriverTest.java
+++ b/carApp/src/test/java/DriverTest.java
@@ -26,33 +26,4 @@ public class DriverTest {
     public void testIsAdult() {
         assertThat(driver.isAdult()).isTrue();
     }
-
-    @Test
-    public void testStartCar() {
-        Car voiture = new Car("Sedan", "Bleu");
-        driver.startCar(voiture);
-        assertThat(outContent.toString().trim()).isEqualTo("John démarre la voiture.");
-    }
-
-    @Test
-    public void testStopCar() {
-        Car voiture = new Car("Sedan", "Bleu");
-        driver.stopCar(voiture);
-        assertThat(outContent.toString().trim()).isEqualTo("John arrête la voiture.");
-    }
-
-    @Test
-    public void testChangeSpeed() {
-        Car voiture = new Car("Sedan", "Bleu");
-        driver.changeSpeed(voiture, 80);
-        assertThat(voiture.getSpeed()).isEqualTo(80);
-    }
-
-    @Test
-    public void testChangeSpeedToSame() {
-        Car voiture = new Car("Sedan", "Bleu");
-        voiture.accelerate();
-        driver.changeSpeed(voiture, 10);
-        assertThat(voiture.getSpeed()).isEqualTo(10);
-    }
 }
\ No newline at end of file