rename harness.py to fixture.py

which is the correct term.

See GitHub Issue #84.

Signed-off-by: Erik Bernoth <erik.bernoth@gmail.com>
Acked-by: Stammtisch <project-monk@dresearch-fe.de>
fixture.py: rename harness references

See GitHub Issues #84.

Signed-off-by: Erik Bernoth <erik.bernoth@gmail.com>
Acked-by: Stammtisch <project-monk@dresearch-fe.de>
rename test_harness.py to test_fixture.py

See GitHub Issue #84.

Signed-off-by: Erik Bernoth <erik.bernoth@gmail.com>
Acked-by: Stammtisch <project-monk@dresearch-fe.de>
test_fixture.py: rename references to fixture

See GitHub Issue #84.

Signed-off-by: Erik Bernoth <erik.bernoth@gmail.com>
Acked-by: Stammtisch <project-monk@dresearch-fe.de>
rename test data files

See GitHub Issue #84.

Signed-off-by: Erik Bernoth <erik.bernoth@gmail.com>
Acked-by: Stammtisch <project-monk@dresearch-fe.de>
conn.py: make sure to not login without credentials

The tests failed because a login was attempted although there were no
credentials. I guess there were empty credentials because of my changes to the
credentials setting in the SerialConneciton constructor.

See GitHub Issue #84.

Signed-off-by: Erik Bernoth <erik.bernoth@gmail.com>
Acked-by: Stammtisch <project-monk@dresearch-fe.de>