* gdb.reverse/break-reverse.exp: Use standard_testfile.
* gdb.reverse/consecutive-precsave.exp: Use standard_testfile.
* gdb.reverse/consecutive-reverse.exp: Use standard_testfile.
* gdb.reverse/finish-precsave.exp: Use standard_testfile.
* gdb.reverse/finish-reverse-bkpt.exp: Use standard_testfile.
* gdb.reverse/finish-reverse.exp: Use standard_testfile.
* gdb.reverse/i386-precsave.exp: Use standard_testfile,
prepare_for_testing.
* gdb.reverse/i386-reverse.exp: Use standard_testfile,
prepare_for_testing.
* gdb.reverse/i386-sse-reverse.exp: Use standard_testfile,
prepare_for_testing.
* gdb.reverse/i387-env-reverse.exp: Use standard_testfile,
prepare_for_testing.
* gdb.reverse/i387-stack-reverse.exp: Use standard_testfile,
prepare_for_testing
* gdb.reverse/machinestate-precsave.exp: Use standard_testfile.
* gdb.reverse/machinestate.exp: Use standard_testfile.
* gdb.reverse/next-reverse-bkpt-over-sr.exp: Use standard_testfile.
* gdb.reverse/sigall-precsave.exp: Use standard_testfile,
build_executable.
* gdb.reverse/sigall-reverse.exp: Use standard_testfile,
build_executable.
* gdb.reverse/solib-precsave.exp: Use standard_testfile,
standard_output_file.
* gdb.reverse/solib-reverse.exp: Use standard_testfile,
standard_output_file.
* gdb.reverse/step-precsave.exp: Use standard_testfile.
* gdb.reverse/step-reverse.exp: Use standard_testfile.
* gdb.reverse/until-precsave.exp: Use standard_testfile.
* gdb.reverse/until-reverse.exp: Use standard_testfile.
* gdb.reverse/watch-precsave.exp: Use standard_testfile.
* gdb.reverse/watch-reverse.exp: Use standard_testfile.
