LouderTest implemented

src/test/java/device/usbPlayer/UsbPlayerTest.java

@@ -1,6 +1,12 @@
 package device.usbPlayer;
 
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import java.util.ArrayList;
+import java.util.stream.Stream;
 
 import static org.junit.jupiter.api.Assertions.*;
 import static org.assertj.core.api.Assertions.assertThat;
@@ -47,9 +53,23 @@ class UsbPlayerTest {
     @Test
     void chooseOption() {
     }
+*/
+@ParameterizedTest
+@MethodSource("louderOptions")
+void louderTest(String testName, UsbPlayer inputPlay, int expectedResult) {
+    int volumeNum = inputPlay.getLautstaerke();
+    assertThat(volumeNum).describedAs(testName).isEqualTo(expectedResult);
+}
 
-    @Test
-    void play() {
+    static Stream<Arguments> louderOptions() {
+        UsbPlayer up1 = new UsbPlayer();
+        up1.louder();
+        UsbPlayer up2 = new UsbPlayer();
+        up2.setLautstaerke(100);
+       up2.louder();
+        return Stream.of(
+                Arguments.of("Volume is : 1 ", up1, 1),
+                Arguments.of("Volume is : 100 ", up2, 100)
+        );
     }
- */
 }