Chore: fixing formatting for Manager & Employee Testing

Author: kksaunders251

lesson_15/tdd/tdd_app/src/test/java/com/codedifferently/lesson15/EmployeeTest.java

@@ -2,6 +2,7 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+
 import org.junit.jupiter.api.Test;
 
 public class EmployeeTest {

lesson_15/tdd/tdd_app/src/test/java/com/codedifferently/lesson15/ManagerTest.java

@@ -3,6 +3,7 @@
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.junit.jupiter.api.Assertions.assertThrows;
+
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test; // got this from chatGpt