diff --git a/backend/package.json b/backend/package.json
index 5dd2bfcad..d9729c09b 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -81,7 +81,7 @@
     "apollo-server-testing": "~2.4.8",
     "babel-core": "~7.0.0-0",
     "babel-eslint": "~10.0.1",
-    "babel-jest": "~24.7.1",
+    "babel-jest": "~24.8.0",
     "chai": "~4.2.0",
     "cucumber": "~5.1.0",
     "eslint": "~5.16.0",
diff --git a/backend/yarn.lock b/backend/yarn.lock
index 78046b163..8b1e84d9e 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -813,6 +813,15 @@
     jest-message-util "^24.7.1"
     jest-mock "^24.7.0"
 
+"@jest/fake-timers@^24.8.0":
+  version "24.8.0"
+  resolved "https://registry.yarnpkg.com/@jest/fake-timers/-/fake-timers-24.8.0.tgz#2e5b80a4f78f284bcb4bd5714b8e10dd36a8d3d1"
+  integrity sha512-2M4d5MufVXwi6VzZhJ9f5S/wU4ud2ck0kxPof1Iz3zWx6Y+V2eJrES9jEktB6O3o/oEyk+il/uNu9PvASjWXQw==
+  dependencies:
+    "@jest/types" "^24.8.0"
+    jest-message-util "^24.8.0"
+    jest-mock "^24.8.0"
+
 "@jest/reporters@^24.7.1":
   version "24.7.1"
   resolved "https://registry.yarnpkg.com/@jest/reporters/-/reporters-24.7.1.tgz#38ac0b096cd691bbbe3051ddc25988d42e37773a"
@@ -857,6 +866,15 @@
     "@jest/types" "^24.7.0"
     "@types/istanbul-lib-coverage" "^2.0.0"
 
+"@jest/test-result@^24.8.0":
+  version "24.8.0"
+  resolved "https://registry.yarnpkg.com/@jest/test-result/-/test-result-24.8.0.tgz#7675d0aaf9d2484caa65e048d9b467d160f8e9d3"
+  integrity sha512-+YdLlxwizlfqkFDh7Mc7ONPQAhA4YylU1s529vVM1rsf67vGZH/2GGm5uO8QzPeVyaVMobCQ7FTxl38QrKRlng==
+  dependencies:
+    "@jest/console" "^24.7.1"
+    "@jest/types" "^24.8.0"
+    "@types/istanbul-lib-coverage" "^2.0.0"
+
 "@jest/test-sequencer@^24.7.1":
   version "24.7.1"
   resolved "https://registry.yarnpkg.com/@jest/test-sequencer/-/test-sequencer-24.7.1.tgz#9c18e428e1ad945fa74f6233a9d35745ca0e63e0"
@@ -867,33 +885,34 @@
     jest-runner "^24.7.1"
     jest-runtime "^24.7.1"
 
-"@jest/transform@^24.7.1":
-  version "24.7.1"
-  resolved "https://registry.yarnpkg.com/@jest/transform/-/transform-24.7.1.tgz#872318f125bcfab2de11f53b465ab1aa780789c2"
-  integrity sha512-EsOUqP9ULuJ66IkZQhI5LufCHlTbi7hrcllRMUEV/tOgqBVQi93+9qEvkX0n8mYpVXQ8VjwmICeRgg58mrtIEw==
+"@jest/transform@^24.7.1", "@jest/transform@^24.8.0":
+  version "24.8.0"
+  resolved "https://registry.yarnpkg.com/@jest/transform/-/transform-24.8.0.tgz#628fb99dce4f9d254c6fd9341e3eea262e06fef5"
+  integrity sha512-xBMfFUP7TortCs0O+Xtez2W7Zu1PLH9bvJgtraN1CDST6LBM/eTOZ9SfwS/lvV8yOfcDpFmwf9bq5cYbXvqsvA==
   dependencies:
     "@babel/core" "^7.1.0"
-    "@jest/types" "^24.7.0"
+    "@jest/types" "^24.8.0"
     babel-plugin-istanbul "^5.1.0"
     chalk "^2.0.1"
     convert-source-map "^1.4.0"
     fast-json-stable-stringify "^2.0.0"
     graceful-fs "^4.1.15"
-    jest-haste-map "^24.7.1"
+    jest-haste-map "^24.8.0"
     jest-regex-util "^24.3.0"
-    jest-util "^24.7.1"
+    jest-util "^24.8.0"
     micromatch "^3.1.10"
     realpath-native "^1.1.0"
     slash "^2.0.0"
     source-map "^0.6.1"
     write-file-atomic "2.4.1"
 
-"@jest/types@^24.7.0":
-  version "24.7.0"
-  resolved "https://registry.yarnpkg.com/@jest/types/-/types-24.7.0.tgz#c4ec8d1828cdf23234d9b4ee31f5482a3f04f48b"
-  integrity sha512-ipJUa2rFWiKoBqMKP63Myb6h9+iT3FHRTF2M8OR6irxWzItisa8i4dcSg14IbvmXUnBlHBlUQPYUHWyX3UPpYA==
+"@jest/types@^24.7.0", "@jest/types@^24.8.0":
+  version "24.8.0"
+  resolved "https://registry.yarnpkg.com/@jest/types/-/types-24.8.0.tgz#f31e25948c58f0abd8c845ae26fcea1491dea7ad"
+  integrity sha512-g17UxVr2YfBtaMUxn9u/4+siG1ptg9IGYAYwvpwn61nBg779RXnjE/m7CxYcIzEt0AbHZZAHSEZNhkE2WxURVg==
   dependencies:
     "@types/istanbul-lib-coverage" "^2.0.0"
+    "@types/istanbul-reports" "^1.1.1"
     "@types/yargs" "^12.0.9"
 
 "@protobufjs/aspromise@^1.1.1", "@protobufjs/aspromise@^1.1.2":
@@ -1053,11 +1072,31 @@
   resolved "https://registry.yarnpkg.com/@types/graphql/-/graphql-14.0.3.tgz#389e2e5b83ecdb376d9f98fae2094297bc112c1c"
   integrity sha512-TcFkpEjcQK7w8OcrQcd7iIBPjU0rdyi3ldj6d0iJ4PPSzbWqPBvXj9KSwO14hTOX2dm9RoiH7VuxksJLNYdXUQ==
 
+"@types/istanbul-lib-coverage@*":
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/@types/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.1.tgz#42995b446db9a48a11a07ec083499a860e9138ff"
+  integrity sha512-hRJD2ahnnpLgsj6KWMYSrmXkM3rm2Dl1qkx6IOFD5FnuNPXJIG5L0dhgKXCYTRMGzU4n0wImQ/xfmRc4POUFlg==
+
 "@types/istanbul-lib-coverage@^2.0.0":
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/@types/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.0.tgz#1eb8c033e98cf4e1a4cedcaf8bcafe8cb7591e85"
   integrity sha512-eAtOAFZefEnfJiRFQBGw1eYqa5GTLCZ1y86N0XSI/D6EB+E8z6VPV/UL7Gi5UEclFqoQk+6NRqEDsfmDLXn8sg==
 
+"@types/istanbul-lib-report@*":
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/@types/istanbul-lib-report/-/istanbul-lib-report-1.1.1.tgz#e5471e7fa33c61358dd38426189c037a58433b8c"
+  integrity sha512-3BUTyMzbZa2DtDI2BkERNC6jJw2Mr2Y0oGI7mRxYNBPxppbtEK1F66u3bKwU2g+wxwWI7PAoRpJnOY1grJqzHg==
+  dependencies:
+    "@types/istanbul-lib-coverage" "*"
+
+"@types/istanbul-reports@^1.1.1":
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/@types/istanbul-reports/-/istanbul-reports-1.1.1.tgz#7a8cbf6a406f36c8add871625b278eaf0b0d255a"
+  integrity sha512-UpYjBi8xefVChsCoBpKShdxTllC9pwISirfoZsUa2AAdQg/Jd2KQGtSbw+ya7GPo7x/wAPlH6JBhKhAsXUEZNA==
+  dependencies:
+    "@types/istanbul-lib-coverage" "*"
+    "@types/istanbul-lib-report" "*"
+
 "@types/long@^4.0.0":
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/@types/long/-/long-4.0.0.tgz#719551d2352d301ac8b81db732acb6bdc28dbdef"
@@ -1785,13 +1824,13 @@ babel-eslint@~10.0.1:
     eslint-scope "3.7.1"
     eslint-visitor-keys "^1.0.0"
 
-babel-jest@^24.7.1, babel-jest@~24.7.1:
-  version "24.7.1"
-  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-24.7.1.tgz#73902c9ff15a7dfbdc9994b0b17fcefd96042178"
-  integrity sha512-GPnLqfk8Mtt0i4OemjWkChi73A3ALs4w2/QbG64uAj8b5mmwzxc7jbJVRZt8NJkxi6FopVHog9S3xX6UJKb2qg==
+babel-jest@^24.7.1, babel-jest@~24.8.0:
+  version "24.8.0"
+  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-24.8.0.tgz#5c15ff2b28e20b0f45df43fe6b7f2aae93dba589"
+  integrity sha512-+5/kaZt4I9efoXzPlZASyK/lN9qdRKmmUav9smVc0ruPQD7IsfucQ87gpOE8mn2jbDuS6M/YOW6n3v9ZoIfgnw==
   dependencies:
-    "@jest/transform" "^24.7.1"
-    "@jest/types" "^24.7.0"
+    "@jest/transform" "^24.8.0"
+    "@jest/types" "^24.8.0"
     "@types/babel__core" "^7.1.0"
     babel-plugin-istanbul "^5.1.0"
     babel-preset-jest "^24.6.0"
@@ -4685,6 +4724,25 @@ jest-haste-map@^24.7.1:
   optionalDependencies:
     fsevents "^1.2.7"
 
+jest-haste-map@^24.8.0:
+  version "24.8.0"
+  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-24.8.0.tgz#51794182d877b3ddfd6e6d23920e3fe72f305800"
+  integrity sha512-ZBPRGHdPt1rHajWelXdqygIDpJx8u3xOoLyUBWRW28r3tagrgoepPrzAozW7kW9HrQfhvmiv1tncsxqHJO1onQ==
+  dependencies:
+    "@jest/types" "^24.8.0"
+    anymatch "^2.0.0"
+    fb-watchman "^2.0.0"
+    graceful-fs "^4.1.15"
+    invariant "^2.2.4"
+    jest-serializer "^24.4.0"
+    jest-util "^24.8.0"
+    jest-worker "^24.6.0"
+    micromatch "^3.1.10"
+    sane "^4.0.3"
+    walker "^1.0.7"
+  optionalDependencies:
+    fsevents "^1.2.7"
+
 jest-jasmine2@^24.7.1:
   version "24.7.1"
   resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-24.7.1.tgz#01398686dabe46553716303993f3be62e5d9d818"
@@ -4738,6 +4796,20 @@ jest-message-util@^24.7.1:
     slash "^2.0.0"
     stack-utils "^1.0.1"
 
+jest-message-util@^24.8.0:
+  version "24.8.0"
+  resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-24.8.0.tgz#0d6891e72a4beacc0292b638685df42e28d6218b"
+  integrity sha512-p2k71rf/b6ns8btdB0uVdljWo9h0ovpnEe05ZKWceQGfXYr4KkzgKo3PBi8wdnd9OtNh46VpNIJynUn/3MKm1g==
+  dependencies:
+    "@babel/code-frame" "^7.0.0"
+    "@jest/test-result" "^24.8.0"
+    "@jest/types" "^24.8.0"
+    "@types/stack-utils" "^1.0.1"
+    chalk "^2.0.1"
+    micromatch "^3.1.10"
+    slash "^2.0.0"
+    stack-utils "^1.0.1"
+
 jest-mock@^24.7.0:
   version "24.7.0"
   resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-24.7.0.tgz#e49ce7262c12d7f5897b0d8af77f6db8e538023b"
@@ -4745,6 +4817,13 @@ jest-mock@^24.7.0:
   dependencies:
     "@jest/types" "^24.7.0"
 
+jest-mock@^24.8.0:
+  version "24.8.0"
+  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-24.8.0.tgz#2f9d14d37699e863f1febf4e4d5a33b7fdbbde56"
+  integrity sha512-6kWugwjGjJw+ZkK4mDa0Df3sDlUTsV47MSrT0nGQ0RBWJbpODDQ8MHDVtGtUYBne3IwZUhtB7elxHspU79WH3A==
+  dependencies:
+    "@jest/types" "^24.8.0"
+
 jest-pnp-resolver@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/jest-pnp-resolver/-/jest-pnp-resolver-1.2.1.tgz#ecdae604c077a7fbc70defb6d517c3c1c898923a"
@@ -4870,6 +4949,24 @@ jest-util@^24.7.1:
     slash "^2.0.0"
     source-map "^0.6.0"
 
+jest-util@^24.8.0:
+  version "24.8.0"
+  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-24.8.0.tgz#41f0e945da11df44cc76d64ffb915d0716f46cd1"
+  integrity sha512-DYZeE+XyAnbNt0BG1OQqKy/4GVLPtzwGx5tsnDrFcax36rVE3lTA5fbvgmbVPUZf9w77AJ8otqR4VBbfFJkUZA==
+  dependencies:
+    "@jest/console" "^24.7.1"
+    "@jest/fake-timers" "^24.8.0"
+    "@jest/source-map" "^24.3.0"
+    "@jest/test-result" "^24.8.0"
+    "@jest/types" "^24.8.0"
+    callsites "^3.0.0"
+    chalk "^2.0.1"
+    graceful-fs "^4.1.15"
+    is-ci "^2.0.0"
+    mkdirp "^0.5.1"
+    slash "^2.0.0"
+    source-map "^0.6.0"
+
 jest-validate@^24.7.0:
   version "24.7.0"
   resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-24.7.0.tgz#70007076f338528ee1b1c8a8258b1b0bb982508d"