Flaky test: TestUnprocessibleDeltas

--- FAIL: TestUnprocessibleDeltas (5.25s)

    require.go:794: 

        	Error Trace:	replicator_test.go:5830

        	Error:      	Received unexpected error:

        	            	Not Found

        	            	SubdocGetBodyAndXattr <ud>test</ud>

        	            	github.com/couchbase/sync_gateway/base.(*Collection).SubdocGetBodyAndXattr

        	            		/home/jenkins/jenkins/workspace/sync-gateway-integration/godeps/src/github.com/couchbase/sync_gateway/base/collection_xattr.go:169

        	            	github.com/couchbase/sync_gateway/base.(*Collection).GetWithXattr

        	            		/home/jenkins/jenkins/workspace/sync-gateway-integration/godeps/src/github.com/couchbase/sync_gateway/base/collection_xattr.go:50

        	            	github.com/couchbase/sync_gateway/db.(*DatabaseContext).GetDocWithXattr

        	            		/home/jenkins/jenkins/workspace/sync-gateway-integration/godeps/src/github.com/couchbase/sync_gateway/db/crud.go:112

        	            	github.com/couchbase/sync_gateway/db.(*DatabaseContext).GetDocumentWithRaw

        	            		/home/jenkins/jenkins/workspace/sync-gateway-integration/godeps/src/github.com/couchbase/sync_gateway/db/crud.go:59

        	            	github.com/couchbase/sync_gateway/db.(*DatabaseContext).GetDocument

        	            		/home/jenkins/jenkins/workspace/sync-gateway-integration/godeps/src/github.com/couchbase/sync_gateway/db/crud.go:48

        	            	github.com/couchbase/sync_gateway/db.(*LRURevisionCache).GetActive

        	            		/home/jenkins/jenkins/workspace/sync-gateway-integration/godeps/src/github.com/couchbase/sync_gateway/db/revision_cache_lru.go:207

        	            	github.com/couchbase/sync_gateway/db.(*ShardedLRURevisionCache).GetActive

        	            		/home/jenkins/jenkins/workspace/sync-gateway-integration/godeps/src/github.com/couchbase/sync_gateway/db/revision_cache_lru.go:60

        	            	github.com/couchbase/sync_gateway/rest.TestUnprocessibleDeltas

        	            		/home/jenkins/jenkins/workspace/sync-gateway-integration/godeps/src/github.com/couchbase/sync_gateway/rest/replicator_test.go:5829

        	            	testing.tRunner

        	            		/home/jenkins/jenkins/tools/org.jenkinsci.plugins.golang.GolangInstallation/Go_1.13.4_SGW_2.7_/src/testing/testing.go:909

        	            	runtime.goexit

        	            		/home/jenkins/jenkins/tools/org.jenkinsci.plugins.golang.GolangInstallation/Go_1.13.4_SGW_2.7_/src/runtime/asm_amd64.s:1357

        	Test:       	TestUnprocessibleDeltas