test defs: skip all tests when the lib requirement isn't fulfilled

* tests/defs (lib): Use skip_all_ instead of skip_, in order to support
TAP-based test scripts.

diff --git a/tests/defs b/tests/defs
index dbf0ff9..835788d 100644 (file)
--- a/tests/defs
+++ b/tests/defs
@@ -774,7 +774,8 @@ do
       # Attempting to create an empty archive will actually not
       # create the archive, but lib will output its version.
       echo "$me: running $AR -out:defstest.lib"
-      $AR -out:defstest.lib || skip_ "Microsoft \`lib' utility not available"
+      $AR -out:defstest.lib \
+        || skip_all_ "Microsoft \`lib' utility not available"
       ;;
     makedepend)
       echo "$me: running makedepend -f-"