diff --git a/.rubocop.yml b/.rubocop.yml
index 36819553..4fb11302 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -77,7 +77,6 @@ AllCops:
   - test/test_kramdown.rb
   - test/test_liquid_renderer.rb
   - test/test_page.rb
-  - test/test_plugin_manager.rb
   - test/test_rdiscount.rb
   - test/test_redcarpet.rb
   - test/test_regenerator.rb
diff --git a/test/test_plugin_manager.rb b/test/test_plugin_manager.rb
index 9cdb45d8..22ad617f 100644
--- a/test/test_plugin_manager.rb
+++ b/test/test_plugin_manager.rb
@@ -1,4 +1,4 @@
-require 'helper'
+require "helper"
 
 class TestPluginManager < JekyllUnitTest
   def with_no_gemfile
@@ -10,14 +10,16 @@ class TestPluginManager < JekyllUnitTest
 
   def test_requiring_from_bundler
     with_env("JEKYLL_NO_BUNDLER_REQUIRE", nil) do
-      assert Jekyll::PluginManager.require_from_bundler, 'require_from_bundler should return true.'
-      assert ENV["JEKYLL_NO_BUNDLER_REQUIRE"], 'Gemfile plugins were not required.'
+      assert Jekyll::PluginManager.require_from_bundler,
+             "require_from_bundler should return true."
+      assert ENV["JEKYLL_NO_BUNDLER_REQUIRE"], "Gemfile plugins were not required."
     end
   end
 
   def test_blocking_requiring_from_bundler
     with_env("JEKYLL_NO_BUNDLER_REQUIRE", "true") do
-      assert_equal false, Jekyll::PluginManager.require_from_bundler, "Gemfile plugins were required but shouldn't have been"
+      assert_equal false, Jekyll::PluginManager.require_from_bundler,
+                   "Gemfile plugins were required but shouldn't have been"
       assert ENV["JEKYLL_NO_BUNDLER_REQUIRE"]
     end
   end
@@ -25,7 +27,8 @@ class TestPluginManager < JekyllUnitTest
   def test_no_gemfile
     with_env("JEKYLL_NO_BUNDLER_REQUIRE", nil) do
       with_no_gemfile do
-        assert_equal false, Jekyll::PluginManager.require_from_bundler, "Gemfile plugins were required but shouldn't have been"
+        assert_equal false, Jekyll::PluginManager.require_from_bundler,
+                     "Gemfile plugins were required but shouldn't have been"
         assert_nil ENV["JEKYLL_NO_BUNDLER_REQUIRE"]
       end
     end