update tests for enhanced verification and UI consistency.

Author: annikaholmqvist94

src/test/java/com/example/HelloModelTest.java

@@ -6,12 +6,6 @@
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
-
 import static com.github.tomakehurst.wiremock.client.WireMock.*;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.jupiter.api.Assertions.*;