libsirenia: Skip vsock tests.

These tests were originally in chromeos-base/sirenia but were moved to
libsirenia and the test flags need to move as well.

BUG=chromium:1158247
TEST=FEATURES=test emerge-${BOARD} libsirenia

Change-Id: I4646b1e68156a31df937426cbacba7963d517096
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2588841
Reviewed-by: Nicole Anderson-Au <nvaa@google.com>
Commit-Queue: Allen Webb <allenwebb@google.com>
Tested-by: Allen Webb <allenwebb@google.com>
diff --git a/chromeos-base/libsirenia/libsirenia-9999.ebuild b/chromeos-base/libsirenia/libsirenia-9999.ebuild
index 32f867d..f979b5e 100644
--- a/chromeos-base/libsirenia/libsirenia-9999.ebuild
+++ b/chromeos-base/libsirenia/libsirenia-9999.ebuild
@@ -29,3 +29,9 @@
 	=dev-rust/serde_derive-1*:=
 	dev-rust/sys_util:=
 "
+
+# We skip the vsock test because it requires the vsock kernel modules to be
+# loaded.
+src_test() {
+	cros-rust_src_test -- --skip transport::tests::vsocktransport
+}
diff --git a/chromeos-base/sirenia/sirenia-9999.ebuild b/chromeos-base/sirenia/sirenia-9999.ebuild
index 13f209c..2b5f4ee 100644
--- a/chromeos-base/sirenia/sirenia-9999.ebuild
+++ b/chromeos-base/sirenia/sirenia-9999.ebuild
@@ -30,12 +30,6 @@
 	chromeos-base/libsirenia:=
 "
 
-# We skip the vsock test because it requires the vsock kernel modules to be
-# loaded.
-src_test() {
-	cros-rust_src_test -- --skip transport::tests::vsocktransport
-}
-
 src_install() {
 	local build_dir="$(cros-rust_get_build_dir)"
 	dobin "${build_dir}/dugong"