Fix to: (#3840)

https://github.com/coredns/coredns/issues/3810Signed-off-by: msedzins <msedzins@gmail.com>
Signed-off-by: msedzins <macbookpro@mbp-macbookpro-2.home>
Co-authored-by: msedzins <macbookpro@mbp-macbookpro-2.home>

plugin/etcd/lookup_test.go

@@ -131,9 +131,9 @@ var dnsTestCases = []test.Case{
 	},
 	// TXT Test
 	{
-		Qname: "server1.prod.region1.skydns.test.", Qtype: dns.TypeTXT,
+		Qname: "txt.server1.prod.region1.skydns.test.", Qtype: dns.TypeTXT,
 		Answer: []dns.RR{
-			test.TXT("server1.prod.region1.skydns.test. 303 IN TXT sometext"),
+			test.TXT("txt.server1.prod.region1.skydns.test. 303 IN TXT sometext"),
 		},
 	},
 	// Wildcard Test