Allow to try 'Reset JupyterLab and Close' twice (#32)

* Inline ResetJupyterLab and Close to separately retry the reset and only then close the browser

Author: datakurre

tests/acceptance/RobotLab/__init__.robot

@@ -1,7 +1,8 @@
 *** Settings ***
 Suite Setup       Start New RobotLab Server
 Suite Teardown    Terminate All Jupyter Servers
-Test Teardown     Reset JupyterLab and Close
+Test Teardown     Run Keywords   Wait Until Keyword Succeeds    2 x    1 s    Execute JupyterLab Command    Reset Application State    AND    Close Browser
 Force Tags        ui:lab
 Library           JupyterLibrary
+Library           SeleniumLibrary
 Resource          ../../resources/Launch.robot