fix checkstyle issues

Signed-off-by: Lachlan Roberts <lachlan@webtide.com>

jetty-ee10/jetty-ee10-servlet/src/test/java/org/eclipse/jetty/ee10/servlet/FormTest.java

@@ -39,6 +39,7 @@ import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+
 public class FormTest
 {
     private static final int MAX_FORM_CONTENT_SIZE = 128;