Merge the core and python tests in the tests/ directory

* tests/: Rename as...
* tests/core/: ... this.
* python/tests/: Rename as...
* tests/python/: ... this.
* python/tests/run.in: Move as...
* tests/run.in: This, and adjust.
* tests/Makefile.am: Adjust to run both core and python tests.
* configure.ac, README, debian/python3-spot.examples, debian/rules,
doc/org/tut.org, python/Makefile.am, spot/ltsmin/Makefile.am,
spot/ltsmin/kripke.test, spot/sanity/ipynb.test: Adjust.

tests/ltldo.test

@@ -1,136 +0,0 @@
-#!/bin/sh
-# -*- coding: utf-8 -*-
-# Copyright (C) 2015 Laboratoire de Recherche et
-# Développement de l'Epita (LRDE).
-#
-# This file is part of Spot, a model checking library.
-#
-# Spot is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3 of the License, or
-# (at your option) any later version.
-#
-# Spot is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
-# License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-. ./defs
-set -e
-
-ltldo=../../bin/ltldo
-ltl2tgba=../../bin/ltl2tgba
-genltl=../../bin/genltl
-
-run 0 $ltldo -f a -f 'a&b' -t 'echo %f,%s' >output
-cat >expected <<EOF
-a,a
-(a) & (b),(a) && (b)
-EOF
-diff output expected
-
-# Renaming
-run 0 $ltldo -f a -f 'a&_b' -t 'echo %f,%s' >output
-cat >expected <<EOF
-a,a
-(p0) & (p1),(p0) && (p1)
-EOF
-diff output expected
-
-
-# Test timeouts.  This test should take 2*2 seconds.
-$genltl --or-g=1..2 |
-run 0 $ltldo -F- -t 'sleep 10; echo %f' -T1 -t 'sleep 10; echo %f' \
-	     >output 2>stderr
-test -z "`cat output`"
-test 4 = `grep -c warning: stderr`
-
-$genltl --and-gf=1..3 |
-run 0 $ltldo "{tgba}$ltl2tgba %f -H >%H" "{ba}$ltl2tgba >%N %f -s" \
-	     --stats="%T,%R,%f,%s,%t,%e" >output
-cat output
-cat >expected <<EOF
-tgba,1,GFp1,1,2,2
-ba,1,GFp1,2,4,4
-tgba,2,GFp1 & GFp2,1,4,4
-ba,2,GFp1 & GFp2,3,12,8
-tgba,3,GFp1 & GFp2 & GFp3,1,8,8
-ba,3,GFp1 & GFp2 & GFp3,4,32,13
-EOF
-diff output expected
-
-# Renaming
-run 0 $ltldo "$ltl2tgba -H %s>%H" -f GF_foo_ -H >output
-cat output
-# The HOA output uses _foo_ as atomic proposition, but the name shows
-# that GFp0 was actually given to ltl2tgba.
-cat >expected <<EOF
-HOA: v1
-name: "GFp0"
-States: 1
-Start: 0
-AP: 1 "_foo_"
-acc-name: Buchi
-Acceptance: 1 Inf(0)
-properties: trans-labels explicit-labels trans-acc complete
-properties: deterministic stutter-invariant
---BODY--
-State: 0
-[0] 0 {0}
-[!0] 0
---END--
-EOF
-diff output expected
-
-# But we can force the name in the output:
-run 0 $ltldo "$ltl2tgba -H %s>%H" -f GF_foo_ -H --name=%f >output
-cat output
-cat >expected <<EOF
-HOA: v1
-name: "GF_foo_"
-States: 1
-Start: 0
-AP: 1 "_foo_"
-acc-name: Buchi
-Acceptance: 1 Inf(0)
-properties: trans-labels explicit-labels trans-acc complete
-properties: deterministic stutter-invariant
---BODY--
-State: 0
-[0] 0 {0}
-[!0] 0
---END--
-EOF
-diff output expected
-
-# Not trusting properties
-run 0 $ltldo "$ltl2tgba -H %s>%H" -f GF_foo_ -H --trust-hoa=no >output
-cat output
-cat >expected <<EOF
-HOA: v1
-name: "GFp0"
-States: 1
-Start: 0
-AP: 1 "_foo_"
-acc-name: Buchi
-Acceptance: 1 Inf(0)
-properties: trans-labels explicit-labels trans-acc complete
-properties: deterministic
---BODY--
-State: 0
-[0] 0 {0}
-[!0] 0
---END--
-EOF
-diff output expected
-
-$ltldo ': %s; true>%O' -f GFa 2>stderr && exit 1
-test $? = 2
-grep ':.*empty input' stderr
-grep 'ltldo: aborting' stderr
-
-$ltldo '{name} foo/bar/ltl2baextended' -f GFa 2>stderr && exit 1
-grep 'error:.*foo/bar/ltl2baextended -f .*>.*' stderr