Rubocop: Using single-quotes properly

spec/commands/new_spec.rb

@@ -3,7 +3,7 @@ require 'squib'
 
 describe  Squib::Commands::New do
 
-  describe "#process" do
+  describe '#process' do
     before(:all) do
       @old_stderr = $stderr
       $stderr = StringIO.new
@@ -16,27 +16,27 @@ describe  Squib::Commands::New do
       @cmd = Squib::Commands::New.new
     end
 
-    it "raises an error if no directory was specified" do
+    it 'raises an error if no directory was specified' do
       expect{@cmd.process([])}.to raise_error(ArgumentError, 'Please specify a path.')
     end
 
-    it "creates a new template on an fresh directory" do
+    it 'creates a new template on an fresh directory' do
       @cmd.process(['foo'])
       expect(File.exists?('foo/deck.rb')).to be true
     end
 
-    it "creates a new template on an empty directory" do
+    it 'creates a new template on an empty directory' do
       Dir.mkdir('foo')
       @cmd.process(['foo'])
       expect(File.exists?('foo/deck.rb')).to be true
     end
 
-    it "does not create a new template on an empty " do
+    it 'does not create a new template on an empty ' do
       Dir.mkdir('foo')
       File.new('foo/somefile.txt', 'w+')
       @cmd.process(['foo'])
       $stderr.rewind
-      expect($stderr.string.chomp).to end_with " exists and is not empty. Doing nothing and quitting."
+      expect($stderr.string.chomp).to end_with ' exists and is not empty. Doing nothing and quitting.'
     end
 
     after(:all) do