Added expected error message to conformance tests (bug 568748, 568744, 568899)

Signed-off-by: Botond Baranyi <botond.baranyi@ericsson.com>
Change-Id: I3f045f5ecb7f045e524a178ed401f0f7655b6b83

conformance_test/OOP_tests/negative_tests/50101_classes.script

@@ -1121,7 +1121,7 @@ module NegSem_50101_top_level_004a "TTCN-3:2018 Object-Oriented" {
 <END_MODULE>
 
 <RESULT COUNT>
-error: TBD
+error: Function .* cannot be started on a parallel test component because parameter .* is of a class type
 <END_RESULT>
 
 <END_TC>

conformance_test/OOP_tests/negative_tests/50101_objects.script

@@ -114,7 +114,7 @@ module NegSem_5010202_ObjectReferences_001 "TTCN-3:2018 Object-Oriented" {
 <END_MODULE>
 
 <RESULT COUNT>
-error: TBD
+error: Function .* cannot be started on a parallel test component because parameter .* is of a class type
 <END_RESULT>
 
 <END_TC>