test: Update mongodb-memory-server with another file locker

Author: nodkz

package.json

@@ -51,9 +51,9 @@
     "graphql-compose": "^1.20.4",
     "graphql-compose-connection": "^2.2.1",
     "jest": "^20.0.4",
-    "mongodb-memory-server": "^1.3.3",
+    "mongodb-memory-server": "^1.3.4",
     "mongoose": "^4.10.5",
-    "prettier": "^1.4.2",
+    "prettier": "^1.4.4",
     "rimraf": "^2.6.1",
     "semantic-release": "^6.3.6"
   },

yarn.lock

@@ -2709,6 +2709,10 @@ locate-path@^2.0.0:
     p-locate "^2.0.0"
     path-exists "^3.0.0"
 
+lockfile@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/lockfile/-/lockfile-1.0.3.tgz#2638fc39a0331e9cac1a04b71799931c9c50df79"
+
 lodash._baseassign@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/lodash._baseassign/-/lodash._baseassign-3.2.0.tgz#8c38a099500f215ad09e59f1722fd0c52bfe0a4e"
@@ -2932,16 +2936,16 @@ mongodb-download@^2.2.3:
     request-promise "^4.1.1"
     yargs "^3.26.0"
 
-mongodb-memory-server@^1.3.3:
-  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/mongodb-memory-server/-/mongodb-memory-server-1.3.3.tgz#c1a44bd3f8f276dd2f9eaac98effb05d4934c384"
+mongodb-memory-server@^1.3.4:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/mongodb-memory-server/-/mongodb-memory-server-1.3.4.tgz#a703223d59a4264406cea8d4e9a188a6a0d31d53"
   dependencies:
     debug "^2.6.8"
     get-port "^3.1.0"
     glob "^7.1.2"
+    lockfile "^1.0.3"
     mkdirp "^0.5.1"
     mongodb-download "^2.2.3"
-    proper-lockfile "^2.0.1"
     tmp "^0.0.31"
     uuid "^3.0.1"
 
@@ -3365,9 +3369,9 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-prettier@^1.4.2:
-  version "1.4.2"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.4.2.tgz#bcdd95ed1eca434ac7f98ca26ea4d25a2af6a2ac"
+prettier@^1.4.4:
+  version "1.4.4"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.4.4.tgz#a8d1447b14c9bf67e6d420dcadd10fb9a4fad65a"
 
 pretty-format@^20.0.3:
   version "20.0.3"
@@ -3388,13 +3392,6 @@ progress@^1.1.8:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/progress/-/progress-1.1.8.tgz#e260c78f6161cdd9b0e56cc3e0a85de17c7a57be"
 
-proper-lockfile@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/proper-lockfile/-/proper-lockfile-2.0.1.tgz#159fb06193d32003f4b3691dd2ec1a634aa80d1d"
-  dependencies:
-    graceful-fs "^4.1.2"
-    retry "^0.10.0"
-
 proto-list@~1.2.1:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/proto-list/-/proto-list-1.2.4.tgz#212d5bfe1318306a420f6402b8e26ff39647a849"