[configurationwebhooks] Automated update from Adyen/adyen-openapi@2e8cd3b

Author: AdyenAutomationBot

src/test/java/com/adyen/model/nexo/MessageHeaderTest.java

@@ -1,17 +1,12 @@
 package com.adyen.model.nexo;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertNotNull;
-import static org.junit.jupiter.api.Assertions.assertNull;
 
 import com.adyen.terminal.serialization.TerminalAPIGsonBuilder;
 import com.google.gson.Gson;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
-import java.io.ByteArrayOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
-import java.nio.charset.StandardCharsets;
 import org.junit.jupiter.api.Test;
 
 public class MessageHeaderTest {