tests: Fix selection of python version
According to documentation (and personal experience), AM_PATH_PYTHON
selects the highest version of python, no matter if major version is
different, which means if both python2 and 3 are available, 3 will be
chosen an PYTHON will point to "/.../python" which is python3. Apparently,
the macro cannot be easily used to pick highest python2 version.
chosen an PYTHON will point to "/.../python" which is python3. Apparently,
the macro cannot be easily used to pick highest python2 version.
As {vty,ctrl}_test_runner.py require python2 and are incompatible with
python3, let's instead rely on the system having a "python2" binary
available, which is the case in most distros.
cherry-picked from: osmo-bsc.git 7e78681f0f740bd68ed5255b506a1efa08a231b1.
Change-Id: Icc147c8457116ad551d166313f3a79e1c2107a22
5 files changed