tests: Split ipv6 specific tests into a new test group

This way they can be easily disabled later on when IPv6 support is made
optional.

Change-Id: I3906dbf55ccf1650083398e08ac870add0bbdcef
diff --git a/tests/testsuite.at b/tests/testsuite.at
index f365f95..fa94db3 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -8,12 +8,25 @@
 AT_CHECK([$abs_top_builddir/tests/lib/ippool_test], [], [expout], [experr])
 AT_CLEANUP
 
+AT_SETUP([ippool_v6])
+AT_KEYWORDS([ippool_v6])
+cat $abs_srcdir/lib/ippool_v6_test.ok > expout
+cat $abs_srcdir/lib/ippool_v6_test.err > experr
+AT_CHECK([$abs_top_builddir/tests/lib/ippool_test -v6], [], [expout], [experr])
+AT_CLEANUP
+
 AT_SETUP([in46a])
 AT_KEYWORDS([in46a])
 cat $abs_srcdir/lib/in46a_test.ok > expout
 AT_CHECK([$abs_top_builddir/tests/lib/in46a_test], [], [expout], [])
 AT_CLEANUP
 
+AT_SETUP([in46a_v6])
+AT_KEYWORDS([in46a_v6])
+cat $abs_srcdir/lib/in46a_v6_test.ok > expout
+AT_CHECK([$abs_top_builddir/tests/lib/in46a_test -v6], [], [expout], [])
+AT_CLEANUP
+
 AT_SETUP([gtpie])
 AT_KEYWORDS([gtpie])
 cat $abs_srcdir/gtp/gtpie_test.ok > expout