add system test for connection test using built-in bridge

Signed-off-by: Reuben Miller <[email protected]>

tests/RobotFramework/tests/cumulocity/bridge_config/builtin_bridge.robot

@@ -0,0 +1,24 @@
+*** Settings ***
+Resource    ../../../resources/common.resource
+Library    ThinEdgeIO
+
+Test Setup    Custom Setup
+Test Teardown    Get Logs
+
+*** Test Cases ***
+
+Connection test
+    [Documentation]    Repeatidly test the cloud connection
+    FOR    ${attempt}    IN RANGE    0    10    1
+        ${output}=    Execute Command    tedge connect c8y --test    timeout=10
+        Should Not Contain  ${output}    connection check failed
+    END
+
+
+*** Keywords ***
+
+Custom Setup
+    ${DEVICE_SN}=    Setup
+    Set Suite Variable    ${DEVICE_SN}
+    Execute Command    tedge config set mqtt.bridge.built_in true
+    Execute Command    tedge reconnect c8y