fixed error message in scan test

com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/builtins/TestBuiltin_scan.java

@@ -4,7 +4,7 @@
  * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * Copyright (c) 2012-2014, Purdue University
- * Copyright (c) 2013, 2015, Oracle and/or its affiliates
+ * Copyright (c) 2013, 2016, Oracle and/or its affiliates
  *
  * All rights reserved.
  */
@@ -33,7 +33,7 @@ public class TestBuiltin_scan extends TestBase {
         assertEval(Output.ContainsWarning, "{ con<-textConnection(c(\"HEADER\", \"7 2 3\", \"4 5 42\")); scan(con, what = list(\"\",\"\",\"\")) }");
 
         assertEval("{ con<-textConnection(c(\"HEADER\", \"7 2 3\", \"4 5 42\")); scan(con, what = list(\"\",\"\",\"\"), fill=TRUE) }");
-        assertEval(Output.ContainsError, "{ con<-textConnection(c(\"HEADER\", \"7 2 3\", \"4 5 42\")); scan(con, what = list(\"\",\"\",\"\"), multi.line=FALSE) }");
+        assertEval("{ con<-textConnection(c(\"HEADER\", \"7 2 3\", \"4 5 42\")); scan(con, what = list(\"\",\"\",\"\"), multi.line=FALSE) }");
         assertEval("{ con<-textConnection(c(\"HEADER\", \"7 2 3\", \"4 5 42\")); scan(con, what = list(\"\",\"\",\"\"), fill=TRUE, multi.line=FALSE) }");
 
         assertEval("{ con<-textConnection(c(\"\\\"2\\\"\", \"\\\"11\\\"\")); scan(con, what=list(\"\")) }");