ci: actually enable v2 system test

.github/workflows/test.yml

@@ -177,7 +177,7 @@ jobs:
       - name: system tests v1
         if: env.GIT_DIFF
         run: |
-          COSMOS_BUILD_OPTIONS=legacy make test-system
+          make test-system
       - uses: actions/upload-artifact@v3
         if: failure()
         with:
@@ -187,7 +187,7 @@ jobs:
       - name: system tests v2
         if: env.GIT_DIFF
         run: |
-          make test-system
+          COSMOS_BUILD_OPTIONS=v2 make test-system
       - uses: actions/upload-artifact@v3
         if: failure()
         with:

Makefile

@@ -10,7 +10,7 @@ include scripts/build/build.mk
 
 .DEFAULT_GOAL := help
 
-#? go.sum: Run go mod tidy and ensure dependencies have not been modified
+#? go.sum: Run go mod tidy and ensure dependencies have not been modified.
 go.sum: go.mod
 	echo "Ensure dependencies have not been modified ..." >&2
 	go mod verify