toThrowValidationException() (available from v2, still with v1? Upgrade!) Assert that the given closure throws an Illuminate\Validation\ValidationException expect(fn() => $request->validate(/* rules */))->toThrowValidationException(); additionally, validation errors can be checked: expect(fn() => $request->validate(/* rules */)) ->toThrowValidationException([ 'field1' => ['field 1 is required'], 'user.email' => ['user email must be a valid email address'], ]);
