add integration tests

Signed-off-by: Pradeep Kumar K J <pkj@softwareag.com>

tests/RobotFramework/tests/tedge_to_te_converter/convert_tedge_topics_to_te_topics.robot

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+*** Settings ***
+Documentation       Purpose of this test is to verify that tedge-agent converts the tedge/# topics to te/# topics
+
+Resource            ../../resources/common.resource
+Library             ThinEdgeIO
+
+Suite Setup         Custom Setup
+Suite Teardown      Custom Teardown
+
+Test Tags           theme:mqtt    theme:tedge to te
+
+
+*** Test Cases ***
+Convert main device measurement topic
+    Execute Command    tedge mqtt pub tedge/measurements '{"temperature":25}'
+    Should Have MQTT Messages    te/device/main///m/    message_pattern={"temperature":25}
+
+
+Convert child device measurement topic
+    Execute Command    tedge mqtt pub tedge/measurements/child '{"temperature":25}'
+    Should Have MQTT Messages    te/device/child///m/    message_pattern={"temperature":25}   
+
+Convert main device event topic
+    Execute Command    tedge mqtt pub tedge/events/login_event '{"text":"someone logedin"}'
+    Should Have MQTT Messages    te/device/main///e/login_event    message_pattern={"text":"someone logedin"}
+
+Convert child device event topic
+    Execute Command    tedge mqtt pub tedge/events/child/login_event '{"text":"someone logedin"}'
+    Should Have MQTT Messages    te/device/child///e/login_event    message_pattern={"text":"someone logedin"}
+
+Convert main device alarm topic
+    Execute Command    tedge mqtt pub tedge/alarms/minor/test_alarm '{"text":"test alarm"}'
+    Should Have MQTT Messages    te/device/main///a/test_alarm    message_pattern={"text":"test alarm","severity":"minor"}    
+
+Convert child device alarm topic
+    Execute Command    tedge mqtt pub tedge/alarms/minor/child/test_alarm '{"text":"test alarm"}'
+    Should Have MQTT Messages    te/device/child///a/test_alarm    message_pattern={"text":"test alarm","severity":"minor"}    
+
+
+*** Keywords ***
+Custom Setup
+    Setup
+    # Execute Command    sudo tedge config set c8y.topics tedge/measurements/+
+    # Execute Command    sudo systemctl restart tedge-mapper-c8y.service
+    ThinEdgeIO.Service Health Status Should Be Up    tedge-agent
+
+Custom Teardown
+    Get Logs
+   # Execute Command    sudo tedge config unset c8y.topics