estModifiable()); } #[Test] public function submittedNestPasModifiable(): void { self::assertFalse(SubmissionStatus::SUBMITTED->estModifiable()); } #[Test] public function lateNestPasModifiable(): void { self::assertFalse(SubmissionStatus::LATE->estModifiable()); } #[Test] public function backingValues(): void { self::assertSame('draft', SubmissionStatus::DRAFT->value); self::assertSame('submitted', SubmissionStatus::SUBMITTED->value); self::assertSame('late', SubmissionStatus::LATE->value); } }