stylistic changes for cask info tests

Library/Homebrew/test/cask/cli/info_spec.rb

@@ -90,7 +90,7 @@ describe Hbc::CLI::Info, :cask do
     EOS
   end
 
-  it "should print languages if the Cask provided any" do
+  it "prints languages specified in the Cask" do
     expect {
       Hbc::CLI::Info.run("with-languages")
     }.to output(<<-EOS.undent).to_stdout
@@ -107,14 +107,14 @@ describe Hbc::CLI::Info, :cask do
     EOS
   end
 
-  it 'should not print "Languages" section divider if the languages block has no output' do
+  it 'does not print "Languages" section divider if the languages block has no output' do
     expect {
-      Hbc::CLI::Info.run("with-conditional-languages")
+      Hbc::CLI::Info.run("without-languages")
     }.to output(<<-EOS.undent).to_stdout
-      with-conditional-languages: 1.2.3
+      without-languages: 1.2.3
       http://example.com/local-caffeine
       Not installed
-      From: https://github.com/caskroom/homebrew-spec/blob/master/Casks/with-conditional-languages.rb
+      From: https://github.com/caskroom/homebrew-spec/blob/master/Casks/without-languages.rb
       ==> Name
       None
       ==> Artifacts

Library/Homebrew/test/cask/dsl_spec.rb

@@ -178,7 +178,7 @@ describe Hbc::DSL, :cask do
       expect(cask.call.url.to_s).to eq("https://example.org/en-US.zip")
     end
 
-    it "returns empty array if no languages specified" do
+    it "returns an empty array if no languages are specified" do
       cask = lambda do
         Hbc::Cask.new("cask-with-apps") do
           url "https://example.org/file.zip"

Library/Homebrew/test/support/fixtures/cask/Casks/without-languages.rb

@@ -1,4 +1,4 @@
-cask 'with-conditional-languages' do
+cask 'without-languages' do
   version '1.2.3'
   sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'