Add a cleanup function under unzip file tests.

Author: aslamdoctor

tests/phpunit/tests/filesystem/unzipFilePclzip.php

@@ -63,14 +63,27 @@ public function test_should_apply_unzip_file_filters() {
 
 		// Prepare test environment.
 		$unzip_destination = self::$test_data_dir . 'archive/';
+		$this->cleanup_unzip_destination( $unzip_destination );
 		mkdir( $unzip_destination );
 
 		_unzip_file_pclzip( self::$test_data_dir . 'archive.zip', $unzip_destination );
 
 		// Cleanup test environment.
-		$this->rmdir( $unzip_destination );
-		$this->delete_folders( $unzip_destination );
+		$this->cleanup_unzip_destination( $unzip_destination );
 
 		$this->assertSame( 1, $filter->get_call_count() );
 	}
+
+	/**
+	 * Cleanup the unzip destination.
+	 *
+	 * @param string $unzip_destination Unzip destination.
+	 * @return void
+	 */
+	public function cleanup_unzip_destination( $unzip_destination ) {
+		if ( file_exists( $unzip_destination ) ) {
+			$this->rmdir( $unzip_destination );
+			$this->delete_folders( $unzip_destination );
+		}
+	}
 }

tests/phpunit/tests/filesystem/unzipFileZiparchive.php

@@ -71,14 +71,27 @@ public function test_should_apply_unzip_file_filters() {
 
 		// Prepare test environment.
 		$unzip_destination = self::$test_data_dir . 'archive/';
+		$this->cleanup_unzip_destination( $unzip_destination );
 		mkdir( $unzip_destination );
 
 		_unzip_file_ziparchive( self::$test_data_dir . 'archive.zip', $unzip_destination );
 
 		// Cleanup test environment.
-		$this->rmdir( $unzip_destination );
-		$this->delete_folders( $unzip_destination );
+		$this->cleanup_unzip_destination( $unzip_destination );
 
 		$this->assertSame( 1, $filter->get_call_count() );
 	}
+
+	/**
+	 * Cleanup the unzip destination.
+	 *
+	 * @param string $unzip_destination Unzip destination.
+	 * @return void
+	 */
+	public function cleanup_unzip_destination( $unzip_destination ) {
+		if ( file_exists( $unzip_destination ) ) {
+			$this->rmdir( $unzip_destination );
+			$this->delete_folders( $unzip_destination );
+		}
+	}
 }