diff --git a/Gemfile.lock b/Gemfile.lock
index e1732fcd..00219c48 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -92,7 +92,7 @@ GEM
     ansi (1.5.0)
     arel (9.0.0)
     bcrypt (3.1.12)
-    better_errors (2.5.0)
+    better_errors (2.8.0)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
@@ -108,11 +108,21 @@ GEM
     canable (0.3.0)
     capistrano-maintenance (0.0.5)
       capistrano (~> 2.0)
+    capybara (3.38.0)
+      addressable
+      matrix
+      mini_mime (>= 0.1.3)
+      nokogiri (~> 1.8)
+      rack (>= 1.6.0)
+      rack-test (>= 0.6.3)
+      regexp_parser (>= 1.5, < 3.0)
+      xpath (~> 3.2)
     carrierwave (1.2.3)
       activemodel (>= 4.0.0)
       activesupport (>= 4.0.0)
       mime-types (>= 1.16)
-    coderay (1.1.2)
+    childprocess (4.1.0)
+    coderay (1.1.3)
     coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0)
@@ -133,7 +143,7 @@ GEM
     dimensions (1.3.0)
     doorkeeper (4.4.2)
       railties (>= 4.2)
-    erubi (1.9.0)
+    erubi (1.11.0)
     escape_utils (1.2.1)
     eventmachine (1.2.7)
     execjs (2.7.0)
@@ -200,6 +210,7 @@ GEM
     mail (2.7.1)
       mini_mime (>= 0.1.1)
     marcel (1.0.1)
+    matrix (0.4.2)
     method_source (0.9.2)
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
@@ -235,7 +246,7 @@ GEM
     public_suffix (3.0.3)
     pygments.rb (1.2.1)
       multi_json (>= 1.0.0)
-    rack (2.2.3)
+    rack (2.2.4)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.5)
@@ -273,10 +284,13 @@ GEM
       ffi (~> 1.0)
     redcarpet (3.4.0)
     redis (4.0.2)
+    regexp_parser (2.6.1)
     responders (2.4.1)
       actionpack (>= 4.2.0, < 6.0)
       railties (>= 4.2.0, < 6.0)
+    rexml (3.2.5)
     rinku (2.0.4)
+    rubyzip (2.3.2)
     sanitize (4.6.6)
       crass (~> 1.0.2)
       nokogiri (>= 1.4.4)
@@ -292,6 +306,11 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
+    selenium-webdriver (4.6.1)
+      childprocess (>= 0.5, < 5.0)
+      rexml (~> 3.2, >= 3.2.5)
+      rubyzip (>= 1.2.2, < 3.0)
+      websocket (~> 1.0)
     sitemap_generator (2.2.1)
     spring (2.0.2)
       activesupport (>= 4.2)
@@ -326,9 +345,12 @@ GEM
       activemodel (>= 5.0)
       bindex (>= 0.4.0)
       railties (>= 5.0)
+    websocket (1.2.9)
     websocket-driver (0.7.3)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
+    xpath (3.2.0)
+      nokogiri (~> 1.8)
 
 PLATFORMS
   ruby
@@ -346,6 +368,7 @@ DEPENDENCIES
   canable (~> 0.1)
   capistrano (~> 2.15)!
   capistrano-maintenance
+  capybara (>= 2.15)
   carrierwave (~> 1.1)
   coffee-rails (~> 4.1)
   devise (~> 4.3)
@@ -376,6 +399,7 @@ DEPENDENCIES
   redis (~> 4.0)
   rinku (~> 2.0)
   sass-rails (~> 5.0)
+  selenium-webdriver
   sitemap_generator (~> 2.1)
   spring
   state_machine (~> 1.2)