phosphor-state-manager: Disable building tests

We don't yet use ptest so we are wasting cycles building tests

Change-Id: I5e6031b94f2ef3c5319e7990d06d3dde46282222
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/meta-phosphor/recipes-phosphor/state/phosphor-state-manager_git.bb b/meta-phosphor/recipes-phosphor/state/phosphor-state-manager_git.bb
index 5375d7c..ab3d5e2 100644
--- a/meta-phosphor/recipes-phosphor/state/phosphor-state-manager_git.bb
+++ b/meta-phosphor/recipes-phosphor/state/phosphor-state-manager_git.bb
@@ -57,6 +57,8 @@
 
 RDEPENDS_${PN}-chassis += "bash"
 
+EXTRA_OEMESON += "-Dtests=disabled"
+
 FILES_${PN}-host = "${bindir}/phosphor-host-state-manager"
 DBUS_SERVICE_${PN}-host += "xyz.openbmc_project.State.Host.service"
 DBUS_SERVICE_${PN}-host += "phosphor-reboot-host@.service"