* gdb.base/signull.exp: Disable if gdb,nosignals. * gdb.cp/bs15503.exp: Disable if skip_cplus_tests * gdb.cp/exception.exp: Disable if skip_cplus_tests. * gdb.mi/mi-console.exp: Disable hello test if gdb,noinferiorio. * gdb.mi/mi2-console.exp: Likewise. * gdb.trace/collection.exp (run_trace_experiment): Consume the continue output at start. (gdb_collect_locals_test): Robustify regexp. * gdb.trace/passc-dyn.exp: Fix comment typo. * gdb.trace/tfind.exp: Don't enable optimization. Remove stray ']'.
