Expand the downstream tests for DiffEqSensitivity

As described in #305 (comment), these tests are probably the most reliant on abstract interfaces being correct, and so they would catch some of these details that the current downstream tests are missing, like the interface break caused by #305

.github/workflows/Downstream.yml

@@ -22,7 +22,11 @@ jobs:
           - {user: SciML, repo: DiffEqBase.jl, group: Core}
           - {user: SciML, repo: DiffEqBase.jl, group: Downstream}
           - {user: SciML, repo: DiffEqBase.jl, group: Downstream2}
-          - {user: SciML, repo: DiffEqSensitivity.jl, group: Core}
+          - {user: SciML, repo: DiffEqSensitivity.jl, group: Core1}
+          - {user: SciML, repo: DiffEqSensitivity.jl, group: Core2}
+          - {user: SciML, repo: DiffEqSensitivity.jl, group: Core3}
+          - {user: SciML, repo: DiffEqSensitivity.jl, group: Core4}
+          - {user: SciML, repo: DiffEqSensitivity.jl, group: Core5}
           - {user: SciML, repo: OrdinaryDiffEq.jl, group: Core}
           - {user: SciML, repo: OrdinaryDiffEq.jl, group: Interface}
           - {user: SciML, repo: DelayDiffEq.jl, group: Interface}