Tests cleanup

Gemfile

@@ -1,5 +1,5 @@
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
-gem 'jira-ruby', :require => 'jira'
+gem 'jira-ruby', require: 'jira'
 
 gemspec

Rakefile

@@ -3,6 +3,6 @@ require 'rspec/core/rake_task'
 require 'rubocop/rake_task'
 
 RSpec::Core::RakeTask.new(:spec)
-Rubocop::RakeTask.new(:rubocop)
+RuboCop::RakeTask.new(:rubocop)
 
 task default: [:spec, :rubocop]

lita-jira.gemspec

@@ -3,8 +3,8 @@ Gem::Specification.new do |spec|
   spec.version       = '0.3.0'
   spec.authors       = ['Eric Sigler']
   spec.email         = ['me@esigler.com']
-  spec.description   = %q(A Lita handler for interacting with a JIRA ticket tracker.)
-  spec.summary       = %q(A Lita handler for interacting with a JIRA ticket tracker.)
+  spec.description   = 'A Lita handler for interacting with a JIRA ticket tracker.'
+  spec.summary       = 'A Lita handler for interacting with a JIRA ticket tracker.'
   spec.homepage      = 'https://github.com/esigler/lita-jira'
   spec.license       = 'MIT'
   spec.metadata      = { 'lita_plugin_type' => 'handler' }