mongoDB haddock also fails with split synopsis (commercialhaskell/stackage#1018)

Author: juhp

lts-3.19.yaml

@@ -63438,7 +63438,7 @@ packages:
       build-benchmarks: true
       skip-build: false
       tests: expect-success
-      haddocks: expect-success
+      haddocks: expect-failure
       version-range: ! '>=2.0.9 && <2.1'
     version: '2.0.9'
     github-pings: