Suppress substitution assertions to fix tests
Suppress substitution assertions to fix tests

This is one place that I've missed with D1862.
This doesn't fix the underlying problem and I prefer to suppress it
now and fix it later as this is a part of a larger effort (#11371)
to fix an old bug with `substTy` called with invalid `in_scope` sets.

Test Plan: `make test TEST="hClose002 hClose003 hDuplicateTo001"

Reviewers: thomie, austin, bgamari, trofi

Reviewed By: trofi

Differential Revision: https://phabricator.haskell.org/D1872

GHC Trac Issues: #11371

oldmanmike/ghc,ezyang/ghc,mcschroeder/ghc,vTurbine/ghc,mcschroeder/ghc,sdiehl/ghc,snoyberg/ghc,ezyang/ghc,oldmanmike/ghc,shlevy/ghc,sgillespie/ghc,shlevy/ghc,nushio3/ghc,vikraman/ghc,sgillespie/ghc,olsner/ghc,mcschroeder/ghc,shlevy/ghc,sdiehl/ghc,oldmanmike/ghc,snoyberg/ghc,vikraman/ghc,oldmanmike/ghc,mettekou/ghc,mettekou/ghc,mettekou/ghc,vikraman/ghc,vTurbine/ghc,tjakway/ghcjvm,vikraman/ghc,olsner/ghc,ezyang/ghc,nushio3/ghc,olsner/ghc,shlevy/ghc,tjakway/ghcjvm,mettekou/ghc,sdiehl/ghc,snoyberg/ghc,mettekou/ghc,ezyang/ghc,ezyang/ghc,sgillespie/ghc,olsner/ghc,vTurbine/ghc,shlevy/ghc,sdiehl/ghc,sgillespie/ghc,vikraman/ghc,snoyberg/ghc,tjakway/ghcjvm,tjakway/ghcjvm,oldmanmike/ghc,vTurbine/ghc,vikraman/ghc,nushio3/ghc,sdiehl/ghc,ezyang/ghc,mcschroeder/ghc,sgillespie/ghc,vTurbine/ghc,shlevy/ghc,mettekou/ghc,tjakway/ghcjvm,tjakway/ghcjvm,tjakway/ghcjvm,olsner/ghc,shlevy/ghc,nushio3/ghc,oldmanmike/ghc,olsner/ghc,vTurbine/ghc,nushio3/ghc,sgillespie/ghc,nushio3/ghc,sgillespie/ghc,mcschroeder/ghc,sdiehl/ghc,nushio3/ghc,mcschroeder/ghc,mettekou/ghc,oldmanmike/ghc,vikraman/ghc,vTurbine/ghc,olsner/ghc,snoyberg/ghc,mcschroeder/ghc,ezyang/ghc,sdiehl/ghc,snoyberg/ghc,snoyberg/ghc