Tests possible breakpoints in array literal { id : <messageId> result : { locations : [ [0] : { columnNumber : 0 lineNumber : 0 scriptId : <scriptId> } [1] : { columnNumber : 6 lineNumber : 0 scriptId : <scriptId> } [2] : { columnNumber : 8 lineNumber : 0 scriptId : <scriptId> type : return } ] } }