Add debugging for testcache

.github/workflows/ci.yml

@@ -302,6 +302,7 @@ jobs:
           CORSO_SECONDARY_M365_TEST_USER_ID: 'foo'
         run: |
           set -euo pipefail
+          export GODEBUG=gocachehash=1
           go test       \
           -tags testing \
           -json         \
@@ -314,7 +315,7 @@ jobs:
 
       # Upload the original go test output as an artifact for later review.
       - name: Upload test log
-        if: failure()
+        # if: failure()
         uses: actions/upload-artifact@v4
         with:
           name: unit-test-log