ctf: Fix SWTBot Test to have the correct error message to check

Change-Id: I8a1408772b8e1ca2e634fa892e7d8a3c05349877
Signed-off-by: Matthew Khouzam <matthew.khouzam@ericsson.com>

Author: MatthewKhouzam

ctf/org.eclipse.tracecompass.tmf.ctf.ui.swtbot.tests/src/org/eclipse/tracecompass/tmf/ctf/ui/swtbot/tests/TestInvalidCtfTrace.java

@@ -86,7 +86,7 @@ public class TestInvalidCtfTrace {
         ERRORS.put("struct-align-negative", "Invalid value for alignment : -8");
         ERRORS.put("struct-align-string", "Invalid value for alignment");
         ERRORS.put("struct-align-zero", "Invalid value for alignment : 0");
-        ERRORS.put("struct-duplicate-field-name", "Identifier has already been defined:xxx");
+        ERRORS.put("struct-duplicate-field-name", "struct: duplicate field xxx");
         ERRORS.put("struct-duplicate-struct-name", "struct a already defined.");
         ERRORS.put("struct-field-name-keyword", "NoViableAltException(73@[])");
         // streams