diff --git a/package.json b/package.json
index aa6793d..8a1ea0d 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
   "devDependencies": {
     "@types/jest": "22.1.3",
     "codecov": "3.0.0",
-    "jest": "22.3.0",
+    "jest": "22.4.4",
     "ts-jest": "22.0.4",
     "tslint": "5.9.1",
     "typedoc": "0.9.0",
diff --git a/yarn.lock b/yarn.lock
index 9eda379..a205d0d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -292,12 +292,12 @@ babel-helpers@^6.24.1:
     babel-runtime "^6.22.0"
     babel-template "^6.24.1"
 
-babel-jest@^22.2.2:
-  version "22.2.2"
-  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-22.2.2.tgz#eda38dca284e32cc5257f96a9b51351975de4e04"
+babel-jest@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-22.4.4.tgz#977259240420e227444ebe49e226a61e49ea659d"
   dependencies:
     babel-plugin-istanbul "^4.1.5"
-    babel-preset-jest "^22.2.0"
+    babel-preset-jest "^22.4.4"
 
 babel-messages@^6.23.0:
   version "6.23.0"
@@ -317,9 +317,9 @@ babel-plugin-jest-hoist@^22.1.0:
   version "22.1.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.1.0.tgz#c1281dd7887d77a1711dc760468c3b8285dde9ee"
 
-babel-plugin-jest-hoist@^22.2.0:
-  version "22.2.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.2.0.tgz#bd34f39d652406669713b8c89e23ef25c890b993"
+babel-plugin-jest-hoist@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.4.4.tgz#b9851906eab34c7bf6f8c895a2b08bea1a844c0b"
 
 babel-plugin-syntax-object-rest-spread@^6.13.0:
   version "6.13.0"
@@ -348,11 +348,11 @@ babel-preset-jest@^22.0.1:
     babel-plugin-jest-hoist "^22.1.0"
     babel-plugin-syntax-object-rest-spread "^6.13.0"
 
-babel-preset-jest@^22.2.0:
-  version "22.2.0"
-  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-22.2.0.tgz#f77b43f06ef4d8547214b2e206cc76a25c3ba0e2"
+babel-preset-jest@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-22.4.4.tgz#ec9fbd8bcd7dfd24b8b5320e0e688013235b7c39"
   dependencies:
-    babel-plugin-jest-hoist "^22.2.0"
+    babel-plugin-jest-hoist "^22.4.4"
     babel-plugin-syntax-object-rest-spread "^6.13.0"
 
 babel-register@^6.26.0:
@@ -902,16 +902,16 @@ expect@^22.1.0:
     jest-message-util "^22.1.0"
     jest-regex-util "^22.1.0"
 
-expect@^22.3.0:
-  version "22.3.0"
-  resolved "https://registry.yarnpkg.com/expect/-/expect-22.3.0.tgz#b1cb7db27a951ab6055f43937277152a9f668028"
+expect@^22.4.0:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/expect/-/expect-22.4.3.tgz#d5a29d0a0e1fb2153557caef2674d4547e914674"
   dependencies:
     ansi-styles "^3.2.0"
-    jest-diff "^22.1.0"
-    jest-get-type "^22.1.0"
-    jest-matcher-utils "^22.2.0"
-    jest-message-util "^22.2.0"
-    jest-regex-util "^22.1.0"
+    jest-diff "^22.4.3"
+    jest-get-type "^22.4.3"
+    jest-matcher-utils "^22.4.3"
+    jest-message-util "^22.4.3"
+    jest-regex-util "^22.4.3"
 
 extend@~3.0.0, extend@~3.0.1:
   version "3.0.1"
@@ -1541,9 +1541,9 @@ jest-changed-files@^22.2.0:
   dependencies:
     throat "^4.0.0"
 
-jest-cli@^22.3.0:
-  version "22.3.0"
-  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-22.3.0.tgz#3fd986f2674f4168c91965be56ab9917a82a45db"
+jest-cli@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-22.4.4.tgz#68cd2a2aae983adb1e6638248ca21082fd6d9e90"
   dependencies:
     ansi-escapes "^3.0.0"
     chalk "^2.0.1"
@@ -1557,17 +1557,18 @@ jest-cli@^22.3.0:
     istanbul-lib-instrument "^1.8.0"
     istanbul-lib-source-maps "^1.2.1"
     jest-changed-files "^22.2.0"
-    jest-config "^22.3.0"
-    jest-environment-jsdom "^22.3.0"
+    jest-config "^22.4.4"
+    jest-environment-jsdom "^22.4.1"
     jest-get-type "^22.1.0"
-    jest-haste-map "^22.3.0"
-    jest-message-util "^22.2.0"
+    jest-haste-map "^22.4.2"
+    jest-message-util "^22.4.0"
     jest-regex-util "^22.1.0"
     jest-resolve-dependencies "^22.1.0"
-    jest-runner "^22.3.0"
-    jest-runtime "^22.3.0"
-    jest-snapshot "^22.2.0"
-    jest-util "^22.3.0"
+    jest-runner "^22.4.4"
+    jest-runtime "^22.4.4"
+    jest-snapshot "^22.4.0"
+    jest-util "^22.4.1"
+    jest-validate "^22.4.4"
     jest-worker "^22.2.2"
     micromatch "^2.3.11"
     node-notifier "^5.2.1"
@@ -1595,21 +1596,21 @@ jest-config@^22.0.1:
     jest-validate "^22.1.2"
     pretty-format "^22.1.0"
 
-jest-config@^22.3.0:
-  version "22.3.0"
-  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-22.3.0.tgz#94c7149f123933a872ee24c1719687419c4a623c"
+jest-config@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-22.4.4.tgz#72a521188720597169cd8b4ff86934ef5752d86a"
   dependencies:
     chalk "^2.0.1"
     glob "^7.1.1"
-    jest-environment-jsdom "^22.3.0"
-    jest-environment-node "^22.3.0"
+    jest-environment-jsdom "^22.4.1"
+    jest-environment-node "^22.4.1"
     jest-get-type "^22.1.0"
-    jest-jasmine2 "^22.3.0"
+    jest-jasmine2 "^22.4.4"
     jest-regex-util "^22.1.0"
-    jest-resolve "^22.3.0"
-    jest-util "^22.3.0"
-    jest-validate "^22.2.2"
-    pretty-format "^22.1.0"
+    jest-resolve "^22.4.2"
+    jest-util "^22.4.1"
+    jest-validate "^22.4.4"
+    pretty-format "^22.4.0"
 
 jest-diff@^22.1.0:
   version "22.1.0"
@@ -1620,9 +1621,18 @@ jest-diff@^22.1.0:
     jest-get-type "^22.1.0"
     pretty-format "^22.1.0"
 
-jest-docblock@^22.2.2:
-  version "22.2.2"
-  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-22.2.2.tgz#617f13edb16ec64202002b3c336cd14ae36c0631"
+jest-diff@^22.4.0, jest-diff@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-22.4.3.tgz#e18cc3feff0aeef159d02310f2686d4065378030"
+  dependencies:
+    chalk "^2.0.1"
+    diff "^3.2.0"
+    jest-get-type "^22.4.3"
+    pretty-format "^22.4.3"
+
+jest-docblock@^22.4.0, jest-docblock@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-22.4.3.tgz#50886f132b42b280c903c592373bb6e93bb68b19"
   dependencies:
     detect-newline "^2.1.0"
 
@@ -1634,12 +1644,12 @@ jest-environment-jsdom@^22.1.4:
     jest-util "^22.1.4"
     jsdom "^11.5.1"
 
-jest-environment-jsdom@^22.3.0:
-  version "22.3.0"
-  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-22.3.0.tgz#c267a063e5dc16219fba0e07542d8aa2576a1c88"
+jest-environment-jsdom@^22.4.1:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-22.4.3.tgz#d67daa4155e33516aecdd35afd82d4abf0fa8a1e"
   dependencies:
-    jest-mock "^22.2.0"
-    jest-util "^22.3.0"
+    jest-mock "^22.4.3"
+    jest-util "^22.4.3"
     jsdom "^11.5.1"
 
 jest-environment-node@^22.1.4:
@@ -1649,25 +1659,30 @@ jest-environment-node@^22.1.4:
     jest-mock "^22.1.0"
     jest-util "^22.1.4"
 
-jest-environment-node@^22.3.0:
-  version "22.3.0"
-  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.3.0.tgz#97d34d9706a718d743075149d1950555c10338c0"
+jest-environment-node@^22.4.1:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.4.3.tgz#54c4eaa374c83dd52a9da8759be14ebe1d0b9129"
   dependencies:
-    jest-mock "^22.2.0"
-    jest-util "^22.3.0"
+    jest-mock "^22.4.3"
+    jest-util "^22.4.3"
 
 jest-get-type@^22.1.0:
   version "22.1.0"
   resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-22.1.0.tgz#4e90af298ed6181edc85d2da500dbd2753e0d5a9"
 
-jest-haste-map@^22.3.0:
-  version "22.3.0"
-  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-22.3.0.tgz#e7f048a88735bae07ca12de8785eb8bc522adeab"
+jest-get-type@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-22.4.3.tgz#e3a8504d8479342dd4420236b322869f18900ce4"
+
+jest-haste-map@^22.4.2:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-22.4.3.tgz#25842fa2ba350200767ac27f658d58b9d5c2e20b"
   dependencies:
     fb-watchman "^2.0.0"
     graceful-fs "^4.1.11"
-    jest-docblock "^22.2.2"
-    jest-worker "^22.2.2"
+    jest-docblock "^22.4.3"
+    jest-serializer "^22.4.3"
+    jest-worker "^22.4.3"
     micromatch "^2.3.11"
     sane "^2.0.0"
 
@@ -1687,27 +1702,27 @@ jest-jasmine2@^22.1.4:
     jest-snapshot "^22.1.2"
     source-map-support "^0.5.0"
 
-jest-jasmine2@^22.3.0:
-  version "22.3.0"
-  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-22.3.0.tgz#ea127dfbb04c6e03998ae0358225435e47520666"
+jest-jasmine2@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-22.4.4.tgz#c55f92c961a141f693f869f5f081a79a10d24e23"
   dependencies:
-    callsites "^2.0.0"
     chalk "^2.0.1"
     co "^4.6.0"
-    expect "^22.3.0"
+    expect "^22.4.0"
     graceful-fs "^4.1.11"
     is-generator-fn "^1.0.0"
-    jest-diff "^22.1.0"
-    jest-matcher-utils "^22.2.0"
-    jest-message-util "^22.2.0"
-    jest-snapshot "^22.2.0"
+    jest-diff "^22.4.0"
+    jest-matcher-utils "^22.4.0"
+    jest-message-util "^22.4.0"
+    jest-snapshot "^22.4.0"
+    jest-util "^22.4.1"
     source-map-support "^0.5.0"
 
-jest-leak-detector@^22.1.0:
-  version "22.1.0"
-  resolved "https://registry.yarnpkg.com/jest-leak-detector/-/jest-leak-detector-22.1.0.tgz#08376644cee07103da069baac19adb0299b772c2"
+jest-leak-detector@^22.4.0:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-leak-detector/-/jest-leak-detector-22.4.3.tgz#2b7b263103afae8c52b6b91241a2de40117e5b35"
   dependencies:
-    pretty-format "^22.1.0"
+    pretty-format "^22.4.3"
 
 jest-matcher-utils@^22.1.0:
   version "22.1.0"
@@ -1717,13 +1732,13 @@ jest-matcher-utils@^22.1.0:
     jest-get-type "^22.1.0"
     pretty-format "^22.1.0"
 
-jest-matcher-utils@^22.2.0:
-  version "22.2.0"
-  resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-22.2.0.tgz#5390f823c18c748543d463825aa8e4df0db253ca"
+jest-matcher-utils@^22.4.0, jest-matcher-utils@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-22.4.3.tgz#4632fe428ebc73ebc194d3c7b65d37b161f710ff"
   dependencies:
     chalk "^2.0.1"
-    jest-get-type "^22.1.0"
-    pretty-format "^22.1.0"
+    jest-get-type "^22.4.3"
+    pretty-format "^22.4.3"
 
 jest-message-util@^22.1.0:
   version "22.1.0"
@@ -1735,9 +1750,9 @@ jest-message-util@^22.1.0:
     slash "^1.0.0"
     stack-utils "^1.0.1"
 
-jest-message-util@^22.2.0:
-  version "22.2.0"
-  resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-22.2.0.tgz#84a6bb34186d8b9af7e0732fabbef63f7355f7b2"
+jest-message-util@^22.4.0, jest-message-util@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-22.4.3.tgz#cf3d38aafe4befddbfc455e57d65d5239e399eb7"
   dependencies:
     "@babel/code-frame" "^7.0.0-beta.35"
     chalk "^2.0.1"
@@ -1749,14 +1764,18 @@ jest-mock@^22.1.0:
   version "22.1.0"
   resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-22.1.0.tgz#87ec21c0599325671c9a23ad0e05c86fb5879b61"
 
-jest-mock@^22.2.0:
-  version "22.2.0"
-  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-22.2.0.tgz#444b3f9488a7473adae09bc8a77294afded397a7"
+jest-mock@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-22.4.3.tgz#f63ba2f07a1511772cdc7979733397df770aabc7"
 
 jest-regex-util@^22.1.0:
   version "22.1.0"
   resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-22.1.0.tgz#5daf2fe270074b6da63e5d85f1c9acc866768f53"
 
+jest-regex-util@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-22.4.3.tgz#a826eb191cdf22502198c5401a1fc04de9cef5af"
+
 jest-resolve-dependencies@^22.1.0:
   version "22.1.0"
   resolved "https://registry.yarnpkg.com/jest-resolve-dependencies/-/jest-resolve-dependencies-22.1.0.tgz#340e4139fb13315cd43abc054e6c06136be51e31"
@@ -1770,45 +1789,46 @@ jest-resolve@^22.1.4:
     browser-resolve "^1.11.2"
     chalk "^2.0.1"
 
-jest-resolve@^22.3.0:
-  version "22.3.0"
-  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-22.3.0.tgz#648e797f708e8701071a0fa9fac652c577bb66d9"
+jest-resolve@^22.4.2:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-22.4.3.tgz#0ce9d438c8438229aa9b916968ec6b05c1abb4ea"
   dependencies:
     browser-resolve "^1.11.2"
     chalk "^2.0.1"
 
-jest-runner@^22.3.0:
-  version "22.3.0"
-  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-22.3.0.tgz#70393f62770be754e2d14f5ca3d896e408aa001a"
+jest-runner@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-22.4.4.tgz#dfca7b7553e0fa617e7b1291aeb7ce83e540a907"
   dependencies:
     exit "^0.1.2"
-    jest-config "^22.3.0"
-    jest-docblock "^22.2.2"
-    jest-haste-map "^22.3.0"
-    jest-jasmine2 "^22.3.0"
-    jest-leak-detector "^22.1.0"
-    jest-message-util "^22.2.0"
-    jest-runtime "^22.3.0"
-    jest-util "^22.3.0"
+    jest-config "^22.4.4"
+    jest-docblock "^22.4.0"
+    jest-haste-map "^22.4.2"
+    jest-jasmine2 "^22.4.4"
+    jest-leak-detector "^22.4.0"
+    jest-message-util "^22.4.0"
+    jest-runtime "^22.4.4"
+    jest-util "^22.4.1"
     jest-worker "^22.2.2"
     throat "^4.0.0"
 
-jest-runtime@^22.3.0:
-  version "22.3.0"
-  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-22.3.0.tgz#1883d6a4227c1f6af276ead3ed27654257d1ef8c"
+jest-runtime@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-22.4.4.tgz#9ba7792fc75582a5be0f79af6f8fe8adea314048"
   dependencies:
     babel-core "^6.0.0"
-    babel-jest "^22.2.2"
+    babel-jest "^22.4.4"
     babel-plugin-istanbul "^4.1.5"
     chalk "^2.0.1"
     convert-source-map "^1.4.0"
     exit "^0.1.2"
     graceful-fs "^4.1.11"
-    jest-config "^22.3.0"
-    jest-haste-map "^22.3.0"
+    jest-config "^22.4.4"
+    jest-haste-map "^22.4.2"
     jest-regex-util "^22.1.0"
-    jest-resolve "^22.3.0"
-    jest-util "^22.3.0"
+    jest-resolve "^22.4.2"
+    jest-util "^22.4.1"
+    jest-validate "^22.4.4"
     json-stable-stringify "^1.0.1"
     micromatch "^2.3.11"
     realpath-native "^1.0.0"
@@ -1817,6 +1837,10 @@ jest-runtime@^22.3.0:
     write-file-atomic "^2.1.0"
     yargs "^10.0.3"
 
+jest-serializer@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-serializer/-/jest-serializer-22.4.3.tgz#a679b81a7f111e4766235f4f0c46d230ee0f7436"
+
 jest-snapshot@^22.1.2:
   version "22.1.2"
   resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-22.1.2.tgz#b270cf6e3098f33aceeafda02b13eb0933dc6139"
@@ -1828,16 +1852,16 @@ jest-snapshot@^22.1.2:
     natural-compare "^1.4.0"
     pretty-format "^22.1.0"
 
-jest-snapshot@^22.2.0:
-  version "22.2.0"
-  resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-22.2.0.tgz#0c0ba152d296ef70fa198cc84977a2cc269ee4cf"
+jest-snapshot@^22.4.0:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-22.4.3.tgz#b5c9b42846ffb9faccb76b841315ba67887362d2"
   dependencies:
     chalk "^2.0.1"
-    jest-diff "^22.1.0"
-    jest-matcher-utils "^22.2.0"
+    jest-diff "^22.4.3"
+    jest-matcher-utils "^22.4.3"
     mkdirp "^0.5.1"
     natural-compare "^1.4.0"
-    pretty-format "^22.1.0"
+    pretty-format "^22.4.3"
 
 jest-util@^22.1.4:
   version "22.1.4"
@@ -1851,17 +1875,17 @@ jest-util@^22.1.4:
     jest-validate "^22.1.2"
     mkdirp "^0.5.1"
 
-jest-util@^22.3.0:
-  version "22.3.0"
-  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-22.3.0.tgz#d05bff567a3a86c0e9b3838d812f8290aa768097"
+jest-util@^22.4.1, jest-util@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-22.4.3.tgz#c70fec8eec487c37b10b0809dc064a7ecf6aafac"
   dependencies:
     callsites "^2.0.0"
     chalk "^2.0.1"
     graceful-fs "^4.1.11"
     is-ci "^1.0.10"
-    jest-message-util "^22.2.0"
-    jest-validate "^22.2.2"
+    jest-message-util "^22.4.3"
     mkdirp "^0.5.1"
+    source-map "^0.6.0"
 
 jest-validate@^22.1.2:
   version "22.1.2"
@@ -1872,14 +1896,15 @@ jest-validate@^22.1.2:
     leven "^2.1.0"
     pretty-format "^22.1.0"
 
-jest-validate@^22.2.2:
-  version "22.2.2"
-  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-22.2.2.tgz#9cdce422c93cc28395e907ac6bbc929158d9a6ba"
+jest-validate@^22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-22.4.4.tgz#1dd0b616ef46c995de61810d85f57119dbbcec4d"
   dependencies:
     chalk "^2.0.1"
+    jest-config "^22.4.4"
     jest-get-type "^22.1.0"
     leven "^2.1.0"
-    pretty-format "^22.1.0"
+    pretty-format "^22.4.0"
 
 jest-worker@^22.2.2:
   version "22.2.2"
@@ -1887,12 +1912,18 @@ jest-worker@^22.2.2:
   dependencies:
     merge-stream "^1.0.1"
 
-jest@22.3.0:
-  version "22.3.0"
-  resolved "https://registry.yarnpkg.com/jest/-/jest-22.3.0.tgz#07434314d2e8662ea936552d950680b7e6551b0d"
+jest-worker@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-22.4.3.tgz#5c421417cba1c0abf64bf56bd5fb7968d79dd40b"
+  dependencies:
+    merge-stream "^1.0.1"
+
+jest@22.4.4:
+  version "22.4.4"
+  resolved "https://registry.yarnpkg.com/jest/-/jest-22.4.4.tgz#ffb36c9654b339a13e10b3d4b338eb3e9d49f6eb"
   dependencies:
     import-local "^1.0.0"
-    jest-cli "^22.3.0"
+    jest-cli "^22.4.4"
 
 joi@^6.10.1:
   version "6.10.1"
@@ -2474,6 +2505,13 @@ pretty-format@^22.1.0:
     ansi-regex "^3.0.0"
     ansi-styles "^3.2.0"
 
+pretty-format@^22.4.0, pretty-format@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-22.4.3.tgz#f873d780839a9c02e9664c8a082e9ee79eaac16f"
+  dependencies:
+    ansi-regex "^3.0.0"
+    ansi-styles "^3.2.0"
+
 private@^0.1.7:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.7.tgz#68ce5e8a1ef0a23bb570cc28537b5332aba63ef1"