Update test packages

package.json

@@ -39,9 +39,9 @@
     "husky": "0.14.3",
     "installed-check": "2.1.3",
     "mocha": "5.2.0",
-    "nock": "9.4.0",
+    "nock": "9.4.2",
     "nyc": "12.0.2",
-    "sinon": "6.0.1"
+    "sinon": "6.1.3"
   },
   "dependencies": {
     "bunyan-duckling": "^1.0.0",

yarn.lock

@@ -88,6 +88,10 @@
   dependencies:
     samsam "1.3.0"
 
+"@sinonjs/samsam@^2.0.0":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-2.0.0.tgz#9163742ac35c12d3602dece74317643b35db6a80"
+
 "@voxpelli/semver-set@^1.0.0":
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/@voxpelli/semver-set/-/semver-set-1.0.0.tgz#5335f4f0c0909cd2e9ac0c482ec7405cef3130eb"
@@ -2137,9 +2141,9 @@ nise@^1.3.3:
     path-to-regexp "^1.7.0"
     text-encoding "^0.6.4"
 
-nock@9.4.0:
-  version "9.4.0"
-  resolved "https://registry.yarnpkg.com/nock/-/nock-9.4.0.tgz#d151c0020c9c10fe2f139c4bc7498457959eddc8"
+nock@9.4.2:
+  version "9.4.2"
+  resolved "https://registry.yarnpkg.com/nock/-/nock-9.4.2.tgz#bab58a44b5781bdb74d7808673a2dbeefafb898d"
   dependencies:
     chai "^4.1.2"
     debug "^3.1.0"
@@ -2775,11 +2779,12 @@ signal-exit@^3.0.0, signal-exit@^3.0.1, signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
 
-sinon@6.0.1:
-  version "6.0.1"
-  resolved "https://registry.yarnpkg.com/sinon/-/sinon-6.0.1.tgz#4247b97dd8fecbe1e19f8b816a5e7eed3993bcfe"
+sinon@6.1.3:
+  version "6.1.3"
+  resolved "https://registry.yarnpkg.com/sinon/-/sinon-6.1.3.tgz#98e7d716b7b11f7f1200e9c997e74f50ae094660"
   dependencies:
     "@sinonjs/formatio" "^2.0.0"
+    "@sinonjs/samsam" "^2.0.0"
     diff "^3.5.0"
     lodash.get "^4.4.2"
     lolex "^2.4.2"