Move to apparition for integration tests

Gemfile.lock

@@ -101,6 +101,9 @@ GEM
       rspec (~> 3)
       rspec-expectations (~> 3.1)
       rspec-mocks (~> 3.1)
+    apparition (0.4.0)
+      capybara (~> 3.13, < 4)
+      websocket-driver (>= 0.6.5)
     arel (6.0.4)
     attribute_normalizer (1.2.0)
     base32 (0.3.2)
@@ -116,16 +119,14 @@ GEM
     bullet (6.0.2)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
-    capybara (2.13.0)
+    capybara (3.29.0)
       addressable
-      mime-types (>= 1.16)
-      nokogiri (>= 1.3.3)
-      rack (>= 1.0.0)
-      rack-test (>= 0.5.4)
-      xpath (~> 2.0)
-    capybara-webkit (1.14.0)
-      capybara (>= 2.3.0, < 2.14.0)
-      json
+      mini_mime (>= 0.1.3)
+      nokogiri (~> 1.8)
+      rack (>= 1.6.0)
+      rack-test (>= 0.6.3)
+      regexp_parser (~> 1.5)
+      xpath (~> 3.2)
     case_transform (0.2)
       activesupport
     chronic (0.10.2)
@@ -274,6 +275,7 @@ GEM
     mono_logger (1.1.0)
     multi_json (1.14.1)
     mysql2 (0.4.10)
+    nio4r (2.5.2)
     nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     pdf-core (0.7.0)
@@ -295,6 +297,8 @@ GEM
       binding_of_caller (>= 0.7)
       pry (>= 0.9.11)
     public_suffix (4.0.1)
+    puma (4.2.1)
+      nio4r (~> 2.0)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
     rack (1.6.11)
@@ -355,6 +359,7 @@ GEM
     redis-namespace (1.6.0)
       redis (>= 3.0.4)
     ref (2.0.0)
+    regexp_parser (1.6.0)
     responders (2.4.1)
       actionpack (>= 4.2.0, < 6.0)
       railties (>= 4.2.0, < 6.0)
@@ -484,6 +489,9 @@ GEM
       binding_of_caller (>= 0.7.2)
       railties (>= 4.0)
       sprockets-rails (>= 2.0, < 4.0)
+    websocket-driver (0.7.1)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.4)
     whenever (1.0.0)
       chronic (>= 0.6.3)
     wikicloth (0.8.3)
@@ -503,13 +511,13 @@ DEPENDENCIES
   acts_as_tree
   acts_as_versioned!
   apivore
+  apparition
   attribute_normalizer
   better_errors
   binding_of_caller
   bootstrap-datepicker-rails
   bullet
   capybara
-  capybara-webkit
   connection_pool
   coveralls
   daemons
@@ -546,6 +554,7 @@ DEPENDENCIES
   protected_attributes (= 1.1.0)
   pry-rescue
   pry-stack_explorer
+  puma
   quiet_assets
   rack-cors
   rails (~> 4.2)