Add suspend test to wifi_matfunc

The test is already in the ebuild, this will turn it on.

BUG=None
TEST=None

Change-Id: I6cea4cbd1cac5c09074c8d7a5f8c3cd1b15c67d0
Reviewed-on: https://chromium-review.googlesource.com/244034
Tested-by: Kris Rambish <krisr@chromium.org>
Reviewed-by: Bindu Mahadev <bmahadev@chromium.org>
Reviewed-by: Christopher Wiley <wiley@chromium.org>
Commit-Queue: Kris Rambish <krisr@chromium.org>
diff --git a/server/site_tests/network_WiFi_SuspendStress/control.11a b/server/site_tests/network_WiFi_SuspendStress/control.11a
index 3f862e4..b56ad50 100644
--- a/server/site_tests/network_WiFi_SuspendStress/control.11a
+++ b/server/site_tests/network_WiFi_SuspendStress/control.11a
@@ -9,6 +9,7 @@
 TIME = 'MEDIUM'
 TEST_TYPE = 'Server'
 DEPENDENCIES = 'servo, wificell'
+SUITE = 'wifi_matfunc'
 
 DOC = """
 This test uses servo to simulate lid close and open events and checks that the