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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
there is an error in java, I was able to ran the first teste because I was able to cast the object to Integer
both method assertEquals(String,long,long) in Assert and method assertEquals(String,Object,Object) in Assert match
src/test/java/UserTest.java:12: error: reference to assertEquals is ambiguous
assertEquals("After applying rank of " + rank, expectedProgress, user.progress);