fix rspec-puppet 1.0.1 deprecation warning

DEPRECATION: include_class is deprecated. Use contain_class instead.

spec/classes/selenium_hub_spec.rb

@@ -10,7 +10,7 @@
     p.merge!(params) if params
 
     it do
-      should include_class('selenium')
+      should contain_class('selenium')
       should contain_selenium__config('hub').with({
         'options' => p[:options],
       })

spec/classes/selenium_node_spec.rb

@@ -12,7 +12,7 @@
     p.merge!(params) if params
 
     it do
-      should include_class('selenium')
+      should contain_class('selenium')
       should contain_selenium__config('node').with({
         'options' => "#{p[:options]} -hub #{p[:hub]}",
       })

spec/classes/selenium_params_spec.rb

@@ -5,7 +5,7 @@
   context 'for osfamily RedHat' do
     let(:facts) {{ :osfamily => 'RedHat' }}
 
-    it { should include_class('selenium::params') }
+    it { should contain_class('selenium::params') }
   end
 
   context 'unsupported osfamily' do
@@ -17,7 +17,7 @@
     end
 
     it 'should fail' do
-      expect { should include_class('selenium::params') }.
+      expect { should contain_class('selenium::params') }.
         to raise_error(Puppet::Error, /not supported on Debian/)
     end
   end

spec/classes/selenium_server_spec.rb

@@ -11,7 +11,7 @@
     p.merge!(params) if params
 
     it do
-      should include_class('selenium')
+      should contain_class('selenium')
       should contain_selenium__config('server').with({
         'display' => p[:display],
         'options' => p[:options],

spec/classes/selenium_spec.rb

@@ -20,7 +20,7 @@
     it do
       should contain_user(p[:user]).with_gid(p[:group])
       should contain_group(p[:group])
-      should include_class('wget')
+      should contain_class('wget')
       should contain_class('selenium').with_version(p[:version])
       should contain_file("#{p[:install_root]}").with({
         'ensure' => 'directory',