public function testHasAdditionalInformation() { $this->assertFalse($this->info->hasAdditionalInformation()); $data = ['key1' => 'data1', 'key2' => 'data2']; $this->info->setAdditionalInformation($data); $this->assertFalse($this->info->hasAdditionalInformation('key3')); $this->assertTrue($this->info->hasAdditionalInformation('key2')); $this->assertTrue($this->info->hasAdditionalInformation()); }