Moved run_on_failure_only_once test out into run_on_failure.txt

Author: dpsfrishberg

test/acceptance/keywords/run_on_failure.txt

@@ -1,14 +1,34 @@
 *** Settings ***
 Suite Setup     Run Keywords  Go To Front Page  Set Info Loglevel
 Suite Teardown  Set Debug Loglevel
-Test Teardown   Register Keyword to Run on Failure  Nothing
 Resource        ../resource.txt
 
 *** Variables ***
 ${PAGE TITLE}  (root)/index.html
 ${FAILURE MESSAGE}  Page should not have contained text 'needle'
+${old order}
+
+*** Keywords ***
+On Fail
+    ${count}=    Evaluate    ${ON FAIL COUNT} + 1
+    Set Test Variable    ${ON FAIL COUNT}    ${count}
+
+Prefer Custom Keywords
+    Import Library  CustomSeleniumKeywords
+    ${old order}=  Set Library Search Order  CustomSeleniumKeywords
+
+Restore Old Search Order
+    Set Library Search Order  ${old order}
 
 *** Test Cases ***
+Run On Failure Keyword Only Called Once
+    [Setup]  Prefer Custom Keywords
+    Set Test Variable    ${ON FAIL COUNT}    ${0}
+    Register Keyword To Run On Failure    On Fail
+    Run Keyword And Ignore Error    Custom Selenium Keyword
+    Should Be Equal    ${ON FAIL COUNT}    ${1}    On Failure Keyword called ${ON FAIL COUNT} times.
+    [Teardown]  Register Keyword to Run On Failure  Nothing
+
 Log Title On Failure
     [Documentation]  LOG 1 Log Title will be run on failure. LOG 2:2 NONE LOG 3.1.1:1 ${PAGE TITLE} LOG 3.1:3 NONE
     Register Keyword to Run on Failure  Log Title