Renamed test file to be picked up by test runner and fix remaining issues

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Skip test_number_of_experiments_testconf for the moment.

This needs to be fixed eventually. See issue #21.

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Some adaptions of Caliper support for new ReBench, still incomplete.

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Skip Caliper tests until

See issue #22.

Signed-off-by: Stefan Marr <git@stefan-marr.de>