[2499] Use a more straightforward rrset-collection.zone

src/lib/datasrc/tests/memory/testdata/rrset-collection.zone

@@ -1,17 +1,4 @@
-example.org.        3600    IN  SOA ( ; The SOA, split across lines for testing
-    ns1.example.org.
-    admin.example.org.
-    1234
-    3600
-    1800
-    2419200
-    7200
-    )
-; Check it accepts quoted name too
-"\101xample.org."        3600    IN  NS ns1.example.org.
-
-
-; Some empty lines here. They are to make sure the loader can skip them.
-www                 3600    IN  A 192.0.2.1 ; Test a relative name as well.
-                    3600    IN  AAAA    2001:db8::1 ; And initial whitespace hanling
-         ; Here be just some space, no RRs
+example.org.	     3600 IN SOA	ns1.example.org. bugs.x.w.example.org. 72 3600 300 3600000 3600
+example.org.	     3600 IN NS		ns1.example.org.
+www.example.org.     3600 IN A		192.0.2.6
+www.example.org.     3600 IN AAAA	2001:db8::6