Update URL for UUI health check

Change-Id: I29c1b07580cf3af196ee35e3a789d9e0aa31b57d
Issue-ID: INT-382
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>
(cherry picked from commit 7c136bf7b6e5016e9915c685cdb6d9b4618dc832)
diff --git a/robot/testsuites/health-check.robot b/robot/testsuites/health-check.robot
index ec0748e..7c34aa5 100644
--- a/robot/testsuites/health-check.robot
+++ b/robot/testsuites/health-check.robot
@@ -112,7 +112,7 @@
 
 usecaseui-gui API Health Check
      [Tags]    health
-     Run MSB Get Request  /iui/usecase-ui/
+     Run MSB Get Request  /iui/usecaseui/
 
 vnflcm API Health Check
      [Tags]    health