MODULES-2269: Add tests for apt::conf notify_update

Ensure that proper rspec tests exist for notify_update

spec/defines/conf_spec.rb

@@ -9,12 +9,15 @@
   end
 
   describe "when creating an apt preference" do
-    let :params do
+    let :default_params do
       {
         :priority => '00',
         :content  => "Apt::Install-Recommends 0;\nApt::AutoRemove::InstallRecommends 1;\n"
       }
     end
+    let :params do
+      default_params
+    end
 
     let :filename do
       "/etc/apt/apt.conf.d/00norecommends"
@@ -28,6 +31,22 @@
           'mode'      => '0644',
         })
       }
+
+    context "with notify_update = true (default)" do
+      let :params do
+        default_params
+      end
+      it { is_expected.to contain_apt__setting("conf-#{title}").with_notify_update(true) }
+    end
+
+    context "with notify_update = false" do
+      let :params do
+        default_params.merge({
+          :notify_update => false
+        })
+      end
+      it { is_expected.to contain_apt__setting("conf-#{title}").with_notify_update(false) }
+    end
   end
 
   describe "when creating a preference without content" do