Add missing HTTPS_PORT references

Several tests (probably more than I've found) are missing references to
HTTPS_PORT. This adds the missing reference which gives them a better
chance to pass in qemu or non-standard port setups.

Change-Id: I9807f4410702d9645db8e44b7d20cda912e21d84
Signed-off-by: Matt Fischer <matthew.fischer@hpe.com>
diff --git a/tests/security/test_ssl.robot b/tests/security/test_ssl.robot
index 4dfe19e..08e0dfb 100644
--- a/tests/security/test_ssl.robot
+++ b/tests/security/test_ssl.robot
@@ -21,9 +21,9 @@
     Create Session  openbmc  http://${OPENBMC_HOST}/  timeout=3
     Run Keyword And Expect Error  ConnectionError*  Get Request  openbmc  /list
 
-Test Non SSL Connection To Port 443
+Test Non SSL Connection To HTTPS Port
     [Documentation]  Test that OpenBmc does not accept the non-secure
-    ...  http connection at port 443 and would expect a connection error.
-    [Tags]  Test_Non_SSL_Connection_To_Port_443
-    Create Session  openbmc  http://${OPENBMC_HOST}:443/  timeout=3
+    ...  http connection at port ${HTTPS_PORT} and would expect a connection error.
+    [Tags]  Test_Non_SSL_Connection_To_Https_Port
+    Create Session  openbmc  http://${OPENBMC_HOST}:${HTTPS_PORT}/  timeout=3
     Run Keyword And Expect Error  ConnectionError*  Get Request  openbmc  /list