added todo comment

Author: Bumblebee00

test/methods/rule_based/test_special_functions.jl

@@ -3,6 +3,9 @@ using SymbolicIntegration
 using SpecialFunctions
 using Symbolics
 
+# TODO move these tests to rundifficulttests.jl together with all the other integrals
+# putting all the integrals in a test files with the soultions
+
 @testset "RuleBased special-function integrals" begin
     @variables x a
     method = RuleBasedMethod()