test: update test to check for various way to import the serveronly things
We add a "setup script" that update the PYTHONPATH to allow direct import of
the extension code. Then we tests that all way to import the extensions works.
# utility to setup pythonpath to point into the tested repositoryexportSRCDIR=`dirname$TESTDIR`if[-n"$PYTHONPATH"];thenexportHGTEST_ORIG_PYTHONPATH=$PYTHONPATHexportPYTHONPATH=$SRCDIR:$PYTHONPATHelseexportPYTHONPATH=$SRCDIRfi