equals and not equals use WithDelta version of asserts (#42)
equals and not equals use WithDelta version of asserts (#42)

This remove the following error message:

```
[PHPUnit\Framework\Warning] The optional $delta parameter of assertNotEquals() is deprecated and will be removed in PHPUnit 9. Refactor your test to use assertNotEqualsWithDelta() instead.
```
Codeception/Verify