@RunWith(PowerMockRunner.class)
@PowerMockRunnerDelegate(Parameterized.class)
@PrepareForTest({FinalDemo.class, PrivateFinal.class})
public class FinalDemoTest {
    @Parameterized.Parameter(0)
    public String expected;
    @Parameterized.Parameters(name = "expected={0}")
    public static Collection<?> expections() {
        return java.util.Arrays.asList(new Object[][]{
            {"Hello altered World"}, {"something"}, {"test"}
        });
    }
    @Test
    public void assertMockFinalWithExpectationsWorks() throws Exception {
        final String argument = "hello";
        FinalDemo tested = mock(FinalDemo.class);
        when(tested.say(argument)).thenReturn(expected);
        final String actual = "" + tested.say(argument);
        verify(tested).say(argument);
        assertEquals("Expected and actual did not match", expected, actual);
    }
}