I've never used eclass/tests/ or are familiar with where it's used, so
can I get an ACK or two for this?

--- eclass/tests/tests-common.sh.orig	2011-07-11 21:04:16.000000000 +0300
+++ eclass/tests/tests-common.sh	2011-07-11 21:04:40.000000000 +0300
@@ -27,5 +27,4 @@
 	debug-print "now in section ${*}"
 }

-hasq() { [[ " ${*:2} " == *" $1 "* ]]; }
-has() { hasq "$@"; }
+has() { [[ " ${*:2} " == *" $1 "* ]]; }