Update tests for new information and cleaning method

test/unit/plugins/commands/plugin/action/update_gems_test.rb

@@ -18,12 +18,14 @@ describe VagrantPlugins::CommandPlugin::Action::UpdateGems do
   describe "#call" do
     it "should update all plugins if none are specified" do
       expect(manager).to receive(:update_plugins).with([]).once.and_return([])
+      expect(manager).to receive(:installed_plugins).twice.and_return({})
       expect(app).to receive(:call).with(env).once
       subject.call(env)
     end
 
     it "should update specified plugins" do
       expect(manager).to receive(:update_plugins).with(["foo"]).once.and_return([])
+      expect(manager).to receive(:installed_plugins).twice.and_return({})
       expect(app).to receive(:call).with(env).once
 
       env[:plugin_name] = ["foo"]

test/unit/vagrant/plugin/manager_test.rb

@@ -34,6 +34,7 @@ describe Vagrant::Plugin::Manager do
         expect(plugins).to have_key("foo")
         expect(local).to be_false
       }.and_return(specs)
+      expect(bundler).to receive(:clean)
 
       result = subject.install_plugin("foo")
 
@@ -70,6 +71,7 @@ describe Vagrant::Plugin::Manager do
         ordered.and_return(local_spec)
 
       expect(bundler).not_to receive(:install)
+      expect(bundler).to receive(:clean)
 
       subject.install_plugin(name)
 
@@ -95,6 +97,7 @@ describe Vagrant::Plugin::Manager do
           expect(plugins["foo"]["gem_version"]).to eql(">= 0.1.0")
           expect(local).to be_false
         }.and_return(specs)
+        expect(bundler).to receive(:clean)
 
         subject.install_plugin("foo", version: ">= 0.1.0")
 
@@ -109,6 +112,7 @@ describe Vagrant::Plugin::Manager do
           expect(plugins["foo"]["gem_version"]).to eql("0.1.0")
           expect(local).to be_false
         }.and_return(specs)
+        expect(bundler).to receive(:clean)
 
         subject.install_plugin("foo", version: "0.1.0")
 

test/unit/vagrant/plugin/state_file_test.rb

@@ -26,11 +26,12 @@ describe Vagrant::Plugin::StateFile do
       plugins = instance.installed_plugins
       expect(plugins.length).to eql(1)
       expect(plugins["foo"]).to eql({
-        "ruby_version"    => RUBY_VERSION,
+        "ruby_version"          => RUBY_VERSION,
-        "vagrant_version" => Vagrant::VERSION,
+        "vagrant_version"       => Vagrant::VERSION,
-        "gem_version"     => "",
+        "gem_version"           => "",
-        "require"         => "",
+        "require"               => "",
-        "sources"         => [],
+        "sources"               => [],
+        "installed_gem_version" => nil,
       })
     end