diff --git a/test/rubygems/helper.rb b/test/rubygems/helper.rb
index 952ccc49ed..16c5af8e3d 100644
--- a/test/rubygems/helper.rb
+++ b/test/rubygems/helper.rb
@@ -472,7 +472,7 @@ class Gem::TestCase < Test::Unit::TestCase
     end
 
     Gem::Specification.unresolved_deps.clear
-    Gem::refresh
+    Gem.refresh
 
     @orig_hooks.each do |name, hooks|
       Gem.send(name).replace hooks
diff --git a/test/rubygems/test_gem_commands_signout_command.rb b/test/rubygems/test_gem_commands_signout_command.rb
index 992b127a94..4aad19206e 100644
--- a/test/rubygems/test_gem_commands_signout_command.rb
+++ b/test/rubygems/test_gem_commands_signout_command.rb
@@ -12,7 +12,7 @@ class TestGemCommandsSignoutCommand < Gem::TestCase
 
   def test_execute_when_user_is_signed_in
     FileUtils.mkdir_p File.dirname(Gem.configuration.credentials_path)
-    FileUtils::touch Gem.configuration.credentials_path
+    FileUtils.touch Gem.configuration.credentials_path
 
     @sign_out_ui = Gem::MockGemUi.new
     use_ui(@sign_out_ui) { @cmd.execute }
diff --git a/test/rubygems/test_gem_remote_fetcher.rb b/test/rubygems/test_gem_remote_fetcher.rb
index e2c912cdcf..dda4d4701e 100644
--- a/test/rubygems/test_gem_remote_fetcher.rb
+++ b/test/rubygems/test_gem_remote_fetcher.rb
@@ -706,7 +706,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
 
   def test_fetch_http_with_additional_headers
     ENV["http_proxy"] = @proxy_uri
-    ENV["no_proxy"] = URI::parse(@server_uri).host
+    ENV["no_proxy"] = URI.parse(@server_uri).host
     fetcher = Gem::RemoteFetcher.new nil, nil, { "X-Captain" => "murphy" }
     @fetcher = fetcher
     assert_equal "murphy", fetcher.fetch_path(@server_uri)
@@ -928,7 +928,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
   def test_observe_no_proxy_env_single_host
     use_ui @stub_ui do
       ENV["http_proxy"] = @proxy_uri
-      ENV["no_proxy"] = URI::parse(@server_uri).host
+      ENV["no_proxy"] = URI.parse(@server_uri).host
       fetcher = Gem::RemoteFetcher.new nil
       @fetcher = fetcher
       assert_data_from_server fetcher.fetch_path(@server_uri)
@@ -938,7 +938,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
   def test_observe_no_proxy_env_list
     use_ui @stub_ui do
       ENV["http_proxy"] = @proxy_uri
-      ENV["no_proxy"] = "fakeurl.com, #{URI::parse(@server_uri).host}"
+      ENV["no_proxy"] = "fakeurl.com, #{URI.parse(@server_uri).host}"
       fetcher = Gem::RemoteFetcher.new nil
       @fetcher = fetcher
       assert_data_from_server fetcher.fetch_path(@server_uri)