Disable following tests due to Swift in the OS changes:
Swift(macosx-x86_64) :: execution/interpret-with-dependencies.swift
Swift(macosx-x86_64) :: SIL/Serialization/deserialize_stdlib.sil
Swift(macosx-x86_64) :: SIL/Serialization/deserialize_objectivec.sil
Swift(macosx-x86_64) :: SIL/Serialization/deserialize_darwin.sil
Swift(macosx-x86_64) :: SIL/Serialization/deserialize_coregraphics.swift
rdar://problem/51868140
