update yarn.lock

Author: jscottsmith

yarn.lock

@@ -4339,6 +4339,14 @@ react-dom@^16.2.0:
     object-assign "^4.1.1"
     prop-types "^15.6.0"
 
+react-test-renderer@^16.2.0:
+  version "16.2.0"
+  resolved "https://registry.yarnpkg.com/react-test-renderer/-/react-test-renderer-16.2.0.tgz#bddf259a6b8fcd8555f012afc8eacc238872a211"
+  dependencies:
+    fbjs "^0.8.16"
+    object-assign "^4.1.1"
+    prop-types "^15.6.0"
+
 react@^16.2.0:
   version "16.2.0"
   resolved "https://registry.yarnpkg.com/react/-/react-16.2.0.tgz#a31bd2dab89bff65d42134fa187f24d054c273ba"