test appveyor with ruby#File

Signed-off-by: Jared Quick <jquick@chef.io>

Gemfile

@@ -2,6 +2,8 @@
 source 'https://rubygems.org'
 gemspec
 
+gem 'train', git: 'https://github.com/chef/train'
+
 if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.2.2')
   gem 'json', '~> 1.8'
   gem 'rack', '< 2.0'

inspec.gemspec

@@ -26,7 +26,7 @@ Gem::Specification.new do |spec|
 
   spec.required_ruby_version = '>= 2.3'
 
-  spec.add_dependency 'train', '~> 0.30'
+  # spec.add_dependency 'train', '~> 0.30'
   spec.add_dependency 'thor', '~> 0.19'
   spec.add_dependency 'json', '>= 1.8', '< 3.0'
   spec.add_dependency 'rainbow', '~> 2'

test/helper.rb

@@ -35,7 +35,7 @@
 require_relative '../lib/bundles/inspec-habitat'
 
 require 'train'
-CMD = Train.create('local').connection
+CMD = Train.create('local', command_runner: :generic).connection
 TMP_CACHE = {}
 
 Inspec::Log.logger = Logger.new(nil)
@@ -85,7 +85,7 @@ def backend
     mock = @backend.backend
 
     # create all mock files
-    local = Train.create('local').connection
+    local = Train.create('local', command_runner: :generic).connection
 
     # set os emulation
     mock.mock_os(@platform)

test/unit/runner_test.rb

@@ -5,15 +5,15 @@
 
 describe Inspec::Runner do
   describe '#load_attributes' do
-    let(:runner) { Inspec::Runner.new }
+    let(:runner) { Inspec::Runner.new({ command_runner: :generic }) }
 
     before do
       Inspec::Runner.any_instance.stubs(:validate_attributes_file_readability!)
     end
 
     describe 'when backend caching is enabled' do
       it 'returns a backend with caching' do
-        opts = { backend_cache: true }
+        opts = { command_runner: :generic, backend_cache: true }
         runner = Inspec::Runner.new(opts)
         backend = runner.instance_variable_get(:@backend)
         backend.backend.cache_enabled?(:command).must_equal true
@@ -22,7 +22,7 @@
 
     describe 'when backend caching is disabled' do
       it 'returns a backend without caching' do
-        opts = { backend_cache: false }
+        opts = { command_runner: :generic, backend_cache: false }
         runner = Inspec::Runner.new(opts)
         backend = runner.instance_variable_get(:@backend)
         backend.backend.cache_enabled?(:command).must_equal false