look_for_unique_experiences.js

  async lookForUniqueExperiences() {                                               
    const findDuplicates = (arr) => 
      arr.filter((item, index) => arr.indexOf(item) !== index);                    
    
    let activitiesTitle = [];                                                      
                                                                                   
    const activitiesElements = await this.mobileBrowser.$$(                        
      "[data-test=attractionPage__catalogCards-box] [data-test=ActivityCard__title] a"
    );                                                                             
                                                                                   
    const promises = activitiesElements.map(async (element) => {                   
      return await element.getText();                                              
    });                                                                            
                                                                                   
    activitiesTitle = await Promise.all(promises);                                                                       
                                                                                   
    const duplicates = findDuplicates(activitiesTitle);
    
    assert.equal(                                                                  
      duplicates.length,                                                           
      0,                                                                        
      `Found ${duplicates.length} duplicated experiences\n${duplicates}`        
    );                                                                          
  }