Update functions.jl

Author: odow

test/Utilities/functions.jl

@@ -1875,12 +1875,12 @@ end
 
 function test_vector_type()
     for T in (Int, Float64)
-        @test MOI.Utilies.vector_type(T) == Vector{T}
-        @test MOI.Utilies.vector_type(MOI.VariableIndex) ==
+        @test MOI.Utilities.vector_type(T) == Vector{T}
+        @test MOI.Utilities.vector_type(MOI.VariableIndex) ==
               MOI.VectorOfVariables
-        @test MOI.Utilies.vector_type(MOI.ScalarAffineFunction{T}) ==
+        @test MOI.Utilities.vector_type(MOI.ScalarAffineFunction{T}) ==
               MOI.VectorAffineFunction{T}
-        @test MOI.Utilies.vector_type(MOI.ScalarQuadraticFunction{T}) ==
+        @test MOI.Utilities.vector_type(MOI.ScalarQuadraticFunction{T}) ==
               MOI.VectorQuadraticFunction{T}
     end
     return