public function testhandleTranserEncoding() { $inboundEmail = new InboundEmail(); $this->assertEquals('test', $inboundEmail->handleTranserEncoding('test')); $this->assertEquals('test', $inboundEmail->handleTranserEncoding('dGVzdA==', 3)); $this->assertEquals('test', $inboundEmail->handleTranserEncoding('test', 4)); }