Fix for NPE caused by missing key

Change-Id: Ief049937c5bf7b63f0b87fdccf420df36814210a
diff --git a/TestON/JenkinsFile/USECASEJenkinsFile b/TestON/JenkinsFile/USECASEJenkinsFile
index 8a3e995..2394520 100644
--- a/TestON/JenkinsFile/USECASEJenkinsFile
+++ b/TestON/JenkinsFile/USECASEJenkinsFile
@@ -49,7 +49,7 @@
 for ( String test : USECASE.keySet() ){
     toBeRun = testsToRun.contains( test )
     def stepName = ( toBeRun ? "" : "Not " ) + "Running $test"
-    def pureTestName = USECASE[ test ][ "test" ].split().head()
+    def pureTestName = ( USECASE[ test ].containsKey( "test" ) : USECASE[ test ][ "test" ].split().head() ? test )
     tests[ stepName ] = funcs.runTest( test, toBeRun, prop, pureTestName, false,
                                        USECASE, graph_generator_file, graph_saved_directory )
 }