fix: removed set details test

Author: Meiko-S22

lesson_15/tdd/tdd_app/src/main/java/com/codedifferently/lesson15/Employee.java

@@ -56,6 +56,4 @@ public String getDetails() {
         + " Salary: "
         + salary;
   }
-
-
 }

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

@@ -67,13 +67,4 @@ public void testGetDetails() {
     assertThat(details)
         .isEqualTo("Employee's ID: 1 Name: Meiko Stephens Department: IT Salary: 50000.0");
   }
-
-  @Test
-  public void testSetDetails() {
-    Employee employee = new Employee(1, "Meiko Stephens", "IT", 50000);
-    employee.setDetails(2, "John Smith", "HR", 40000);
-    String result = employee.getDetails();
-    String expected = "Employee's ID: 2 Name: John Smith Department: HR Salary: 40000.0";
-    assertThat(result).isEqualTo(expected);
-  }
 }