debug tests: Don't catch exception in LaunchConfigurationAndRestartTest.doLaunch

When catching the exception and failing the test manually, the root cause
exception is hidden. If we let the exception propagate, JUnit will fail
the test automatically, and will provide a detailed stack trace.

Change-Id: Ife099d4598109dd0901b14d482b89545cfd01d68
Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca>
Reviewed-on: https://git.eclipse.org/r/38765
Tested-by: Hudson CI
Reviewed-by: Marc Khouzam <marc.khouzam@ericsson.com>
Tested-by: Marc Khouzam <marc.khouzam@ericsson.com>
Enable the GDB 7.1 test suite.

Change-Id: I3d21bfbc8f2f9e99c7b5bda9a68243218346f61b
Signed-off-by: Marc Khouzam <marc.khouzam@ericsson.com>
Only enable remote tests for gdb versions >= 7.1

Change-Id: Ia42a2dc330d739181167bf5511ff976a36ab180f
Signed-off-by: Marc Khouzam <marc.khouzam@ericsson.com>