assertAll example

Right.java

    @Test
    @DisplayName("Subtracting two numbers")
    public void testSubtract1(){
       assertAll(
               new Executable() {
                   @Override
                   public void execute() throws Throwable {
                       assertEquals(3, calculator.subtract(6, 3));
                   }
               },
               new Executable() {
                   @Override
                   public void execute() throws Throwable {
                       assertEquals(5, calculator.subtract(5, 2));
                   }
               },
               new Executable() {
                   @Override
                   public void execute() throws Throwable {
                       assertEquals(9, calculator.subtract(11,1));
                   }
               }
       );
    }

Wrong.java

    @Test
    @DisplayName("Subtracting two numbers")
    public void testSubtract1(){
        assertEquals(3, calculator.subtract(6, 3));
        assertEquals(5, calculator.subtract(5, 2));
        assertEquals(9, calculator.subtract(11,1));
    }