[tests] Parse stack trace from test scenarios Change-Id: Ic9c54e58813a96ad8f8dd61757a5a063a532e07d Signed-off-by: Daniel Haftstein <haftsteind@gmail.com> Conflicts: tests/org.eclipse.epp.logging.aeri.tests/src/org/eclipse/epp/logging/aeri/tests/util/StackTraceParser.java