runtests: change local IP glob pattern from "127.0.0.1" to "$LOCALIP"

This is similar to what 9704c8e70d2d does. Since 1363aaf74791 has changed
"127.0.0.1" to "$LOCALIP". The glob pattern needs update accordingly. It is
expected to fix tests running in some BSD jails.

contrib/check-code.py

@@ -210,8 +210,8 @@ utestpats = [
   ],
   # warnings
   [
-    (r'^  (?!.*127\.0\.0\.1)[^*?/\n]* \(glob\)$',
-     "glob match with no glob string (?, *, /, and 127.0.0.1)"),
+    (r'^  (?!.*\$LOCALIP)[^*?/\n]* \(glob\)$',
+     "glob match with no glob string (?, *, /, and $LOCALIP)"),
   ]
 ]
 

tests/run-tests.py

@@ -1034,7 +1034,7 @@ checkcodeglobpats = [
     re.compile(br'^pulling from \$TESTTMP/.*[^)]$'),
     # Not all platforms have 127.0.0.1 as loopback (though most do),
     # so we always glob that too.
-    re.compile(br'.*127.0.0.1.*$'),
+    re.compile(br'.*\$LOCALIP.*$'),
 ]
 
 bchr = chr
@@ -1342,7 +1342,7 @@ class TTest(Test):
                         return True
                 return b'-glob'
             return True
-        el = el.replace(b'127.0.0.1', b'*')
+        el = el.replace(b'$LOCALIP', b'*')
         i, n = 0, len(el)
         res = b''
         while i < n:

tests/test-run-tests.t

@@ -735,9 +735,11 @@ backslash on end of line with glob matching is handled properly
 
   $ rm -f test-glob-backslash.t
 
-Test globbing of 127.0.0.1
+Test globbing of local IP addresses
   $ echo 172.16.18.1
-  127.0.0.1 (glob)
+  $LOCALIP (glob)
+  $ echo dead:beef::1
+  $LOCALIP (glob)
 
 Test reusability for third party tools
 ======================================