Added more tests

Author: indy2kro

README.md

@@ -16,7 +16,7 @@ A PHP library for processing EPUB files, including parsing, metadata manipulatio
 To install the library, use Composer:
 
 ```bash
-composer require your-vendor-name/epub-processor
+composer require indy2kro/php-epub
 ```
 
 Ensure that you have the necessary PHP extensions and optional libraries installed for full functionality:

tests/EpubFileTest.php

@@ -112,6 +112,9 @@ public function testSaveEpub(string $epubPath, bool $shouldLoad, bool $isValid):
     public static function epubFileProvider(): Iterator
     {
         yield [__DIR__ . DIRECTORY_SEPARATOR . 'fixtures' . DIRECTORY_SEPARATOR . 'valid.epub', true, true];
+        yield [__DIR__ . DIRECTORY_SEPARATOR . 'fixtures' . DIRECTORY_SEPARATOR . 'valid_1.epub', true, true];
+        yield [__DIR__ . DIRECTORY_SEPARATOR . 'fixtures' . DIRECTORY_SEPARATOR . 'valid_2.epub', true, true];
+        yield [__DIR__ . DIRECTORY_SEPARATOR . 'fixtures' . DIRECTORY_SEPARATOR . 'valid_3.epub', true, true];
         yield [__DIR__ . DIRECTORY_SEPARATOR . 'fixtures' . DIRECTORY_SEPARATOR . 'invalid.epub', true, false];
         yield [__DIR__ . DIRECTORY_SEPARATOR . 'fixtures' . DIRECTORY_SEPARATOR . 'nonexistent.epub', false, false];
     }