test unit tests

package.json

@@ -73,6 +73,6 @@
     "utapi_replay": "node lib/utapi/utapiReplay.js",
     "test": "CI=true S3BACKEND=mem mocha --recursive tests/unit",
     "multiple_backend_test": "CI=true S3BACKEND=mem S3DATA=multiple mocha --recursive tests/multipleBackend",
-    "unit_coverage": "CI=true mkdir -p coverage/unit/ && S3BACKEND=mem MOCHA_FILE=$CIRCLE_TEST_REPORTS/unit/unit.xml istanbul cover --dir coverage/unit _mocha -- --reporter mocha-junit-reporter --recursive tests/unit"
+    "unit_coverage": "mkdir -p coverage/unit/ && CI=true S3BACKEND=mem MOCHA_FILE=$CIRCLE_TEST_REPORTS/unit/unit.xml istanbul cover --dir coverage/unit _mocha -- --reporter mocha-junit-reporter --recursive tests/unit"
   }
 }

tests/unit/utils/collectResponseHeaders.js

@@ -16,7 +16,7 @@ describe('Middleware: Collect Response Headers', () => {
         it(`should skip replication header ${item.test}`, () => {
             const headers = collectResponseHeaders(item.md);
             assert.deepStrictEqual(headers['x-amz-replication-status'],
-                undefined);
+                'fail');
         });
     });
 });