[11.x] Add tests for Encrypter

[saMahmoudzadeh]

This PR, improvement test coverage for Encryptor class.

Test empty string data

$encrypted = $e->encrypt('');
$this->assertSame('', $e->decrypt($encrypted));

Test long string data

$longString = str_repeat('a', 1000);
$encrypted = $e->encrypt($longString);
$this->assertSame($longString, $e->decrypt($encrypted));

test array data

$data = ['foo' => 'bar', 'baz' => 'qux'];
$encryptedArray = $e->encrypt($data);
$this->assertNotSame($data, $encryptedArray);
$this->assertSame($data, $e->decrypt($encryptedArray));

[github-actions]

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