chore: Update yarn.lock

yarn.lock

@@ -442,14 +442,21 @@ babel-helpers@^6.24.1:
     babel-runtime "^6.22.0"
     babel-template "^6.24.1"
 
-babel-jest@^20.0.1, babel-jest@^20.0.3:
+babel-jest@^20.0.3:
   version "20.0.3"
   resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-20.0.3.tgz#e4a03b13dc10389e140fc645d09ffc4ced301671"
   dependencies:
     babel-core "^6.0.0"
     babel-plugin-istanbul "^4.0.0"
     babel-preset-jest "^20.0.3"
 
+babel-jest@^21.0.0:
+  version "21.0.0"
+  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-21.0.0.tgz#4f636a7dce105aa5753d5f3dde4422ff50c1d6c5"
+  dependencies:
+    babel-plugin-istanbul "^4.0.0"
+    babel-preset-jest "^21.0.0"
+
 babel-messages@^6.23.0:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/babel-messages/-/babel-messages-6.23.0.tgz#f3cdf4703858035b2a2951c6ec5edf6c62f2630e"
@@ -474,6 +481,10 @@ babel-plugin-jest-hoist@^20.0.3:
   version "20.0.3"
   resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-20.0.3.tgz#afedc853bd3f8dc3548ea671fbe69d03cc2c1767"
 
+babel-plugin-jest-hoist@^21.0.0:
+  version "21.0.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-21.0.0.tgz#aa2dbab7b0d58fa635640efd53aab730be7b3273"
+
 babel-plugin-syntax-async-functions@^6.13.0, babel-plugin-syntax-async-functions@^6.8.0:
   version "6.13.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz#cad9cad1191b5ad634bf30ae0872391e0647be95"
@@ -888,6 +899,12 @@ babel-preset-jest@^20.0.3:
   dependencies:
     babel-plugin-jest-hoist "^20.0.3"
 
+babel-preset-jest@^21.0.0:
+  version "21.0.0"
+  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-21.0.0.tgz#13a8d82e999aa49f8b2dc14d0023d362f2e4ba23"
+  dependencies:
+    babel-plugin-jest-hoist "^21.0.0"
+
 babel-preset-react@^6.16.0:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-preset-react/-/babel-preset-react-6.24.1.tgz#ba69dfaea45fc3ec639b6a4ecea6e17702c91380"