tests/_gone -> _gone: same lines even for singly nested tests

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
tests/utils: assertEquals (deprecated) -> assertEqual

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
commands/ccs2pcs: fix module docstring

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
run-tests: simplify conditionals

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
run-check: fix and apply use of "norun" context (when sourced)

Commit that got it originally wrong on the "provider" side
(check its full commit message):
run-check: pass provided switches down to clufter invocation

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
run-tests: run (optionally allow skipping) run-check along again

Also make the final exit code distinguish failure of native tests vs.
failure of accompanied run-check round.

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
.gitignore: fix order of re-excluded vs included patterns

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
formats/command: parsing/linearizing a command + tests

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>