diff -r e97c577bdc24 -r 217bbd700594 main_testing2/danube_test2.scala
--- a/main_testing2/danube_test2.scala	Mon Jan 10 13:51:59 2022 +0000
+++ b/main_testing2/danube_test2.scala	Thu Jan 13 12:34:43 2022 +0000
@@ -12,9 +12,10 @@
 val urban_ratings = urban_get_csv_file("ratings.csv")
 val urban_movies = urban_get_csv_file("movies.csv")
 
+val urban_res1 = process_ratings(urban_ratings)
+val urban_rat_elems = List(("1","1"), ("1","3"), ("1","6"), ("1","47"))
 
-assert(process_ratings(urban_ratings).length == 48580)
+assert(urban_res1.length == 48580)
+assert(urban_rat_elems.forall(urban_res1.contains(_)))
 
 assert(process_movies(urban_movies).length == 9742)
-
-