Fix the focus loss test

Author: krassowski

atest/05_Features/Completion.robot

@@ -60,11 +60,11 @@ Invalidates On Cell Change
 Invalidates On Focus Loss
     Enter Cell Editor    1    line=2
     Press Keys    None    TAB
-    Click JupyterLab Menu      Menu
-    Enter Cell Editor    1    line=2
+    Click JupyterLab Menu      File
     # just to increase chances of catching this on CI (which is slow)
     Sleep    4s
     Completer Should Not Suggest    test
+    Enter Cell Editor    1    line=2
 
 Uses LSP Completions When Kernel Resoponse Times Out
     Configure JupyterLab Plugin    {"kernelResponseTimeout": 1, "waitForBusyKernel": true}    plugin id=${COMPLETION PLUGIN ID}

atest/Keywords.robot

@@ -184,7 +184,7 @@ Click JupyterLab Menu
     [Arguments]    ${label}
     [Documentation]    Click a top-level JupyterLab menu bar item with by ``label``,
     ...    e.g. File, Help, etc.
-    ${xpath} =    Set Variable    ${JLAB XP TOP}${JLAB XP MENU LABEL}\[text() = '${label}']
+    ${xpath} =    Set Variable    xpath:${JLAB XP TOP}${JLAB XP MENU LABEL}\[text() = '${label}']
     Wait Until Page Contains Element    ${xpath}
     Mouse Over    ${xpath}
     Click Element    ${xpath}

atest/Variables.robot

@@ -19,8 +19,8 @@ ${HEADLESS}       1
 ${CMD PALETTE INPUT}    css:#command-palette .lm-CommandPalette-input
 ${CMD PALETTE ITEM ACTIVE}    css:#command-palette .lm-CommandPalette-item.lm-mod-active
 ${JLAB XP TOP}    //div[@id='jp-top-panel']
-${JLAB XP MENU ITEM LABEL}    //div[@class='lm-Menu-itemLabel']
-${JLAB XP MENU LABEL}    //div[@class='lm-MenuBar-itemLabel']
+${JLAB XP MENU ITEM LABEL}    //div[contains(@class, 'lm-Menu-itemLabel')]
+${JLAB XP MENU LABEL}    //div[contains(@class, 'lm-MenuBar-itemLabel')]
 ${JLAB XP DOCK TAB}    xpath://div[contains(@class, 'lm-DockPanel-tabBar')]//li[contains(@class, 'lm-TabBar-tab')]
 ${JLAB CSS VERSION}    css:.jp-About-version
 ${JLAB CSS REFRESH FILES}    css:button[title="Refresh File List"]