--- /usr/portage/sys-apps/test_a/test_a-1.ebuild
+++ /usr/portage/sys-apps/test_a/test_a-1.ebuild
@@ -0,0 +1,6 @@
+DESCRIPTION="Test_a"
+SLOT="1"
+KEYWORDS="alpha amd64 arm hppa ia64 m68k mips ppc ppc64 s390 sh sparc x86 ~x86-fbsd"
+IUSE="a b c"
+DEPEND=""
+RDEPEND=""
--- /usr/portage/sys-apps/test_a/test_a-2.ebuild
+++ /usr/portage/sys-apps/test_a/test_a-2.ebuild
@@ -0,0 +1,6 @@
+DESCRIPTION="Test_a"
+SLOT="2"
+KEYWORDS="alpha amd64 arm hppa ia64 m68k mips ppc ppc64 s390 sh sparc x86 ~x86-fbsd"
+IUSE="a b c"
+DEPEND=""
+RDEPEND=""
--- /usr/portage/sys-apps/test_b/test_b-1.ebuild
+++ /usr/portage/sys-apps/test_b/test_b-1.ebuild
@@ -0,0 +1,6 @@
+DESCRIPTION="Test_b"
+SLOT="1"
+KEYWORDS="alpha amd64 arm hppa ia64 m68k mips ppc ppc64 s390 sh sparc x86 ~x86-fbsd"
+IUSE="a b c"
+DEPEND=""
+RDEPEND=""
--- /usr/portage/sys-apps/test_b/test_b-2.ebuild
+++ /usr/portage/sys-apps/test_b/test_b-2.ebuild
@@ -0,0 +1,6 @@
+DESCRIPTION="Test_b"
+SLOT="2"
+KEYWORDS="alpha amd64 arm hppa ia64 m68k mips ppc ppc64 s390 sh sparc x86 ~x86-fbsd"
+IUSE="a b c"
+DEPEND=""
+RDEPEND=""
--- /etc/portage/package.use/z_tests
+++ /etc/portage/package.use/z_tests
@@ -0,0 +1,5 @@
+=sys-apps/test_a-1 b
+=sys-apps/test_a-2 c
+
+sys-apps/test_b:1 b
+sys-apps/test_b:2 c