phosphor-led-manager: Disable building tests

We don't want to spend cycles building tests we won't use.

Change-Id: Ic7890e60e736189290caa1f528002b31f438a179
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/meta-phosphor/recipes-phosphor/leds/phosphor-led-manager_git.bb b/meta-phosphor/recipes-phosphor/leds/phosphor-led-manager_git.bb
index cce6fde..3167da6 100644
--- a/meta-phosphor/recipes-phosphor/leds/phosphor-led-manager_git.bb
+++ b/meta-phosphor/recipes-phosphor/leds/phosphor-led-manager_git.bb
@@ -51,4 +51,4 @@
 # Install the override to set up a Conflicts relation
 SYSTEMD_OVERRIDE_${PN} += "bmc_booted.conf:obmc-led-group-start@bmc_booted.service.d/bmc_booted.conf"
 
-EXTRA_OECONF = "YAML_PATH=${STAGING_DATADIR_NATIVE}/${PN}"
+EXTRA_OEMESON += "-Dtests=disabled"