run disk full tests with sudo

Author: bwitt

.github/workflows/ci.yml

@@ -79,6 +79,10 @@ jobs:
         run: |
           COVERAGE_DIR=${{ runner.temp }} make bench
 
+      - name: "Run Disk Full Tests (root)"
+        run: |
+          sudo go test ./files -v -check.f 'DiskFullSuite' -coverprofile=${{ runner.temp }}/diskfull.out
+
       - name: "Run System Tests"
         env:
           RUN_LONG_TESTS: 'yes'