public function testSetGetDocumentStoreFilename()
 {
     $this->correspondence->setId('10');
     $this->correspondence->setFilename('document');
     $expectedOutput = '10_document';
     $this->assertEquals($expectedOutput, $this->correspondence->getDocumentStoreFilename());
 }
 public function testGetSetOutgoingDocuments()
 {
     $correspondence = new OutgoingDocument();
     $correspondence->setId(1);
     $this->documents = null;
     $this->assertNull($this->documents);
     $this->addDocument($correspondence);
     $this->assertEquals($this->documents, $this->getOutgoingDocuments());
 }