practracker: Add unit tests to test script, and test script to makefile

This makes all of the practracker tests get run by make check, and
hence by our CI.

Closes ticket 31304.

changes/ticket31304

+  o Minor features (tests):
+    - The practracker tests are now run as part of the Tor test suite.
+      Closes ticket 31304.

scripts/maint/practracker/test_practracker.sh

@@ -29,6 +29,10 @@ run_practracker() {
         "${DATA}/" "$@";
 }
 
+echo "unit tests:"
+
+"${PYTHON:-python}" "${PRACTRACKER_DIR}/practracker_tests.py" || exit 1
+
 echo "ex0:"
 
 run_practracker --exceptions "${DATA}/ex0.txt" > "${TMPDIR}/ex0-received.txt"

src/test/include.am

@@ -31,7 +31,11 @@ TESTSCRIPTS += \
 endif
 
 if USEPYTHON
-TESTSCRIPTS += src/test/test_ntor.sh src/test/test_hs_ntor.sh src/test/test_bt.sh
+TESTSCRIPTS += \
+	src/test/test_ntor.sh \
+	src/test/test_hs_ntor.sh \
+	src/test/test_bt.sh \
+	scripts/maint/practracker/test_practracker.sh
 
 if COVERAGE_ENABLED
 # ...