HazelTests.MakeTerm
  ✅ Singleton Labled Tuple ascription in let
  ✅ Assigning labeled tuple to variable
  ✅ Multiple labels in tuple
  ✅ Integer Literal
  ✅ Empty Hole
  ✅ Free Variable
  ✅ Parenthesized Expression
  ✅ Let Expression
  ✅ Function Application
  ✅ Named Function Definition
  ✅ Incomplete Function Definition
  ✅ Constructor
  ✅ Type Alias
HazelTests.LabeledTuple
  ✅ Singleton unlabeled
  ✅ Singleton labeled
  ✅ unlabeled remains same order
  ✅ fully labeled retains ordering
  ✅ Missing labels get added
  ✅ Present labels get reordered
  ✅ Partial labels get reordered
  ✅ Extra labels get reordered
  ✅ pair labeled, unlabled
  ✅ Independent label sets with some overlap
HazelTests.Statics
  ✅ Function with unknown param
  ✅ Function with known param
  ✅ Function with labeled param
  ✅ bifunction
  ✅ bifunction
  ✅ Typechecking fails for unlabeled variable being assigned to labeled tuple
  ✅ Typechecking fails for unlabeled variable being assigned to labeled tuple
  ✅ Assigning labeled tuple to variable
  ✅ Singleton Labled Tuple ascription in let
  ✅ Singleton Labled Tuple ascription in let with wrong type should fail
  ✅ Singleton Labled Tuple with specified label
  ✅ Labeled tuple with multiple labels
  ✅ Let statement that adds labels during elaboration
  ✅ Duplicate singleton labels
  ✅ Reconstructed labeled tuple without values
  ✅ Singleton labeled argument let with unknown type
  ✅ nested different singleton labeled arguments
  ✅ nested different singleton labeled arguments
  ✅ Singleton labeled argument function application with unknown type
  ✅ Singleton labeled argument function application with no labeled param
  ✅ Singleton labeled argument not labeled in pattern
HazelTests.Elaboration
  ✅ Single integer
  ✅ Empty hole
  ✅ Free variable
  ✅ Let expression
  ✅ Inconsistent binary operation
  ✅ Consistent if statement
  ✅ An unapplied function
  ✅ Application of function on free variable
  ✅ Inconsistent case statement
  ✅ Let expression for a function
  ✅ Function application with a deferred argument
  ✅ Labeled tuple elaboration
  ✅ Rearranged labeled tuple
  ✅ Singleton labeled tuple adds labels
  ✅ Singleton labeled tuple
  ✅ Singleton labeld tuple analysis adds label
  ✅ Singleton labeld tuple analysis adds label with type alias
  ✅ Singleton labeld tuple analysis adds label with type alias
  ✅ Singleton labeled argument function application with known type
  ✅ Singleton labeled argument function application with no label in ap
  ✅ Failed cast inside labeled tuple
  ✅ nested different singleton labeled arguments
  ✅ Singleton labeled argument function application with unknown type
  ✅ Singleton labeled argument let with unknown type
  ✅ Function application with a single remaining argument after deferral
  ✅ Function application with a deferral of a hole
HazelTests.Evaluator
  ✅ Integer literal
  ✅ Integer sum
  ✅ Labeled tuple projection
  ✅ Function application
  ✅ Function deferral
  ✅ Deferral applied to hole
  ✅ Elaborated Pattern for labeled tuple
HazelTests.ListUtil
  ✅ rev_if with false
  ✅ rev_if with true
  ✅ dedup
  ✅ dedup_f
  ✅ group_by with constant function preserves list
  ✅ group_by groups into evens/odds
  ✅ range generates sequential integers [1,6)
  ✅ range defaults lower bound to 0
  ✅ range lo = hi is empty
  ✅ Invalid range raises error
  ✅ mk_frame creates a frame from the beginning
  ✅ mk_frame creates a frame from the end
  ✅ mk_frame raises when making a frame past the end
  ✅ mk_frame raises when making a frame before the beginning
  ✅ mk_frame makes a frame splitting the list
  ✅ mk_frame makes a frame splitting the list
  ✅ split with no found element returns the original list
  ✅ split with first found returns the head and tail
  ✅ splits on the middle element
  ✅ combine_opt
  ✅ is_empty with empty list
  ✅ is_empty with non-empty list
  ✅ flat_map with empty list
  ✅ flat_map with non-empty list
  ✅ flat_map with non-empty list and empty result
  ✅ join with empty list
  ✅ join with single element list
  ✅ join with multiple element list
  ✅ hd_opt with empty list
  ✅ hd_opt with non-empty list
  ✅ nth_opt with empty list
  ✅ nth_opt with non-empty list
  ✅ nth_opt with out of bounds index
  ✅ split_n_opt with empty list
  ✅ split_n_opt with non-empty list
  ✅ split_n_opt with out of bounds index
  ✅ split_n_opt with zero index
  ✅ split_n with empty list
  ✅ split_n with non-empty list
  ✅ split_n with out of bounds index
  ✅ split_n with zero index
  ✅ split_sublist_opt with empty list
  ✅ split_sublist_opt with non-empty list
  ✅ split_sublist_opt with out of bounds index
  ✅ split_sublist_opt with zero index
  ✅ split_sublist with empty list
  ✅ split_sublist with non-empty list
  ✅ split_sublist with out of bounds index
  ✅ split_sublist with zero index
  ✅ sublist with empty list
  ✅ sublist with non-empty list
  ✅ sublist with out of bounds index