DROP BEFORE MERGE

Author: ksagiyam

.github/workflows/build.yml

@@ -28,6 +28,7 @@ jobs:
     # The docker container to use.
     container:
       image: firedrakeproject/firedrake-env:latest
+      options: --user root
     strategy:
       # Don't immediately kill real if complex fails and vice versa.
       fail-fast: false
@@ -84,6 +85,8 @@ jobs:
             --install defcon \
             --install gadopt \
             --install asQ \
+            --package-branch tsfc ksagiyam/introduce_mixed_map \
+            --package-branch ufl ksagiyam/introduce_mixed_map \
             || (cat firedrake-install.log && /bin/false)
       - name: Install test dependencies
         run: |