public function testmark_relationships_deleted()
 {
     $prospectList = new ProspectList();
     //execute the method and test if it works and does not throws an exception.
     try {
         $prospectList->mark_relationships_deleted('');
         $this->assertTrue(true);
     } catch (Exception $e) {
         $this->fail();
     }
     $this->markTestIncomplete('Method has no implementation');
 }