Stop Viper from leaking across many of the tests (now tests pass regardless of order tested)

hugolib/rss_test.go

@@ -33,10 +33,12 @@ const RSS_TEMPLATE = `<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom
 </rss>`
 
 func TestRSSOutput(t *testing.T) {
+	viper.Reset()
+	defer viper.Reset()
+
 	rssUri := "customrss.xml"
 	viper.Set("baseurl", "http://auth/bub/")
 	viper.Set("RSSUri", rssUri)
-	defer viper.Set("RSSUri", "index.xml")
 
 	hugofs.DestinationFS = new(afero.MemMapFs)
 	s := &Site{
@@ -44,6 +46,7 @@ func TestRSSOutput(t *testing.T) {
 	}
 	s.initializeSiteInfo()
 	s.prepTemplates()
+
 	//  Add an rss.xml template to invoke the rss build.
 	s.addTemplate("rss.xml", RSS_TEMPLATE)