speed up tests by not copying bundled directory every time

Author: grosser

lib/spring/test/acceptance_test.rb

@@ -194,9 +194,13 @@ def exec_name
       end
 
       test "binstub when spring is uninstalled" do
-        app.run! "gem uninstall --ignore-dependencies spring"
-        File.write(app.gemfile, app.gemfile.read.gsub(/gem 'spring.*/, ""))
-        assert_success "bin/rake -T", stdout: "rake db:migrate"
+        begin
+          app.run! "gem uninstall --ignore-dependencies spring"
+          File.write(app.gemfile, app.gemfile.read.gsub(/gem 'spring.*/, ""))
+          assert_success "bin/rake -T", stdout: "rake db:migrate"
+        ensure
+          generator.build_and_install_gems
+        end
       end
 
       test "binstub upgrade" do

lib/spring/test/application.rb

@@ -48,7 +48,7 @@ def gemfile
       end
 
       def gem_home
-        path "vendor/gems/#{RUBY_VERSION}"
+        path "../gems/#{RUBY_VERSION}"
       end
 
       def user_home