format src/ and test/

Author: sumiya11

src/monomials/orderings.jl

@@ -240,7 +240,7 @@ struct ProductOrdering{Ord1, Ord2} <: AbstractMonomialOrdering
         end
         # this fires on, for example, Lex() * Lex(). Should be fine to allow.
         # if ordering_is_simple(ord1) || ordering_is_simple(ord2)
-            # throw(DomainError("Invalid monomial ordering"))
+        # throw(DomainError("Invalid monomial ordering"))
         # end
         new{Ord1, Ord2}(ord1, ord2)
     end