@Test
public void should_fail_if_actual_does_not_contain_value_at_given_index() {
float[] actual = { 1f, 2f, 3f, 4f };
float value = 3;
Index index = Index.atIndex(3);
try {
arrays.assertContains(description, actual, value, index);
} catch (AssertionError e) {
verify(failures).failure(description, shouldContainAtIndex(actual, value, index, Array.get(actual, index.value)));
return;