tests: add generic qa-asset-based script verification unit test

This adds a unit test that does generic script verification tests,
with positive/negative witnesses/scriptsigs, under various flags.
The test data is large (several MB) so it's stored in the qa-assets
repo.

ci/test/04_install.sh

@@ -81,11 +81,10 @@ else
 fi
 
 if [ ! -d ${DIR_QA_ASSETS} ]; then
- if [ "$RUN_FUZZ_TESTS" = "true" ]; then
-  DOCKER_EXEC git clone https://github.com/bitcoin-core/qa-assets ${DIR_QA_ASSETS}
- fi
+  DOCKER_EXEC git clone --depth=1 https://github.com/bitcoin-core/qa-assets ${DIR_QA_ASSETS}
 fi
 export DIR_FUZZ_IN=${DIR_QA_ASSETS}/fuzz_seed_corpus/
+export DIR_UNIT_TEST_DATA=${DIR_QA_ASSETS}/unit_test_data/
 
 DOCKER_EXEC mkdir -p "${BASE_SCRATCH_DIR}/sanitizer-output/"
 

ci/test/06_script_b.sh

@@ -23,13 +23,13 @@ fi
 
 if [ "$RUN_UNIT_TESTS" = "true" ]; then
   BEGIN_FOLD unit-tests
-  DOCKER_EXEC LD_LIBRARY_PATH=$DEPENDS_DIR/$HOST/lib make $MAKEJOBS check VERBOSE=1
+  DOCKER_EXEC DIR_UNIT_TEST_DATA=${DIR_UNIT_TEST_DATA} LD_LIBRARY_PATH=$DEPENDS_DIR/$HOST/lib make $MAKEJOBS check VERBOSE=1
   END_FOLD
 fi
 
 if [ "$RUN_UNIT_TESTS_SEQUENTIAL" = "true" ]; then
   BEGIN_FOLD unit-tests-seq
-  DOCKER_EXEC LD_LIBRARY_PATH=$DEPENDS_DIR/$HOST/lib "${BASE_BUILD_DIR}/bitcoin-*/src/test/test_bitcoin*" --catch_system_errors=no -l test_suite
+  DOCKER_EXEC DIR_UNIT_TEST_DATA=${DIR_UNIT_TEST_DATA} LD_LIBRARY_PATH=$DEPENDS_DIR/$HOST/lib "${BASE_BUILD_DIR}/bitcoin-*/src/test/test_bitcoin*" --catch_system_errors=no -l test_suite
   END_FOLD
 fi