ci(SciMLSensitivity): checkout SII branch

Author: DhairyaLGandhi

.github/workflows/Downstream.yml

@@ -61,6 +61,9 @@ jobs:
         with:
           repository: ${{ matrix.package.user }}/${{ matrix.package.repo }}
           path: downstream
+      - name: Checkout SII branch if SciMLSensitivity
+        if: "contains(${{ matrix.package.repo }}, 'SciMLSensitivity.jl')"
+        run: git checkout dg/ss
       - name: Load this and run the downstream tests
         shell: julia --color=yes --project=downstream {0}
         run: |

test/runtests.jl

@@ -3,10 +3,6 @@ using SafeTestsets
 using Test
 using SciMLBase
 
-# test with a different SciMLSensitivity branch to see full list of
-# failures
-Pkg.add(url = "https://github.com/SciML/SciMLSensitivity.jl", rev = "dg/ss")
-
 # https://github.com/JuliaArrays/FillArrays.jl/pull/163
 @test_broken isempty(detect_ambiguities(SciMLBase))