Add specs to be sure all plugins are loading properly

spec/Gemfile

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+source 'https://rubygems.org'
+
+gem 'vimrunner'
+gem 'rspec'

spec/Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    diff-lcs (1.1.3)
+    rspec (2.12.0)
+      rspec-core (~> 2.12.0)
+      rspec-expectations (~> 2.12.0)
+      rspec-mocks (~> 2.12.0)
+    rspec-core (2.12.2)
+    rspec-expectations (2.12.1)
+      diff-lcs (~> 1.1.3)
+    rspec-mocks (2.12.0)
+    vimrunner (0.3.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  rspec
+  vimrunner

spec/spec/loading_spec.rb

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+require 'spec_helper'
+
+describe "My Vim plugin" do
+  languages = Dir["#{PLUGIN_PATH}/syntax/*.vim"].map { |f| f.split('/').last.gsub('.vim', '') }
+
+  languages.each do |lang|
+    it "should parse .#{lang} file" do
+      write_file "test.#{lang}", ""
+      vim.edit "test.#{lang}"
+      vim.insert "sample"
+      vim.write
+    end
+  end
+end

spec/spec/spec_helper.rb

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+require 'vimrunner'
+require 'vimrunner/rspec'
+
+PLUGIN_PATH = File.expand_path('../../..', __FILE__)
+puts PLUGIN_PATH
+
+Vimrunner::RSpec.configure do |config|
+  # Use a single Vim instance for the test suite. Set to false to use an
+  # instance per test (slower, but can be easier to manage).
+  config.reuse_server = true
+
+  # Decide how to start a Vim instance. In this block, an instance should be
+  # spawned and set up with anything project-specific.
+  config.start_vim do
+    vim = Vimrunner.start
+
+    # Setup your plugin in the Vim instance
+    vim.add_plugin(PLUGIN_PATH)
+
+    # The returned value is the Client available in the tests.
+    vim
+  end
+end