fix fix version check

Author: rmosolgo

test/dummy/package.json

@@ -21,7 +21,7 @@
     "rails-erb-loader": "^4.0.0",
     "react": "^15.4.2",
     "react-dom": "^15.4.2",
-    "react_ujs": "^1.0.0",
+    "react_ujs": "^2.0.2",
     "sass-loader": "^6.0.3",
     "style-loader": "^0.16.1",
     "webpack": "^2.3.3",

test/dummy/yarn.lock

@@ -3450,9 +3450,9 @@ react@^15.4.2:
     loose-envify "^1.1.0"
     object-assign "^4.1.0"
 
-react_ujs@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/react_ujs/-/react_ujs-1.0.0.tgz#33fbae8cd949fbdd28914d7a0b69bf3c078aa4be"
+react_ujs@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/react_ujs/-/react_ujs-2.0.2.tgz#0020f38fa2e47a04c03faa080325324bfa6d1f0b"
 
 read-cache@^1.0.0:
   version "1.0.0"

test/test_helper.rb

@@ -105,7 +105,7 @@ def when_stateful_js_context_available
 module ParamsHelper
   # Normalize params for Rails 5.1+
   def query_params(params)
-    if Rails.gem_version.to_s > "5.0"
+    if Rails::VERSION::MAJOR > 4
       {params: params}
     else
       params