Fix and add @covers tags

Change-Id: Ifa11ee418e016c103fb0ac6b32a790a2977aec8d

tests/phpunit/ApiQueryExtractsTest.php

@@ -1,14 +1,17 @@
 <?php
 namespace TextExtracts\Test;
 
+use MediaWikiCoversValidator;
 use PHPUnit_Framework_TestCase;
 use TextExtracts\ApiQueryExtracts;
 
 /**
- * @covers ApiQueryExtracts
+ * @covers \TextExtracts\ApiQueryExtracts
  * @group TextExtracts
  */
 class ApiQueryExtractsTest extends PHPUnit_Framework_TestCase {
+	use MediaWikiCoversValidator;
+
 	private function newInstance() {
 		$context = $this->getMockBuilder( 'IContextSource' )
 			->disableOriginalConstructor()

tests/phpunit/ExtractFormatterTest.php

@@ -8,6 +8,7 @@ use ParserOptions;
 use TextExtracts\ExtractFormatter;
 
 /**
+ * @covers \TextExtracts\ExtractFormatter
  * @group TextExtracts
  */
 class ExtractFormatterTest extends MediaWikiTestCase {