(fixup) fix tests

Author: Animeshz

spec/unit/provider/package/xbps_spec.rb

@@ -20,8 +20,8 @@
   it { is_expected.to be_holdable }
   it { is_expected.to be_virtual_packages }
 
-  it "should be the default provider on :operatingsystem => Void" do
-    expect(Facter).to receive(:value).with(:operatingsystem).and_return("Void")
+  it "should be the default provider on 'os.name' => Void" do
+    expect(Facter).to receive(:value).with('os.name').and_return("Void")
     expect(described_class.default?).to be_truthy
   end