bump simplecov

Gemfile

@@ -221,7 +221,7 @@ group :test do
   gem 'timecop', '~> 0.9.0'
   gem 'webmock', '~> 3.1.0', require: false
 
-  gem 'simplecov', '~> 0.14.0', require: false
+  gem 'simplecov', '~> 0.16.0', require: false
   gem 'shoulda-matchers', '~> 3.1', require: nil
   gem 'json_spec', '~> 1.1.4'
   gem 'equivalent-xml', '~> 0.6'

Gemfile.lock

@@ -250,7 +250,7 @@ GEM
       declarative-option (< 0.2.0)
       representable (>= 2.4.0, <= 3.1.0)
       uber (< 0.2.0)
-    docile (1.1.5)
+    docile (1.3.0)
     domain_name (0.5.20170404)
       unf (>= 0.0.5, < 1.0.0)
     equalizer (0.0.11)
@@ -551,11 +551,11 @@ GEM
     shoulda-context (1.2.2)
     shoulda-matchers (3.1.1)
       activesupport (>= 4.0.0)
-    simplecov (0.14.1)
-      docile (~> 1.1.0)
+    simplecov (0.16.1)
+      docile (~> 1.1)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.1)
+    simplecov-html (0.10.2)
     sprockets (3.7.1)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
@@ -725,7 +725,7 @@ DEPENDENCIES
   selenium-webdriver (~> 3.11)
   shoulda-context (~> 1.2)
   shoulda-matchers (~> 3.1)
-  simplecov (~> 0.14.0)
+  simplecov (~> 0.16.0)
   sprockets (~> 3.7.0)
   sqlite3
   stringex (~> 2.7.1)