[patch] testsuite: Disallow newlines in test names

[Joel Brobecker]

> to prevent in the future cases like:
> 	[obv] testsuite: python: name the test
> 	http://sourceware.org/ml/gdb-patches/2011-04/msg00430.html
> 
> proposing this change.  The problem is the ""-named tests may need an explicit
> name now, as it may be used in the cases the test errors out and even in such
> case sure no \n (or \r) should get output as the test name.

IMO, looking at the tests you had to update, I think that this is
a good idea.

-- 
Joel