ci: Set DEBIAN_FRONTEND=noninteractive

Also fix travis environment variables for this build

Previously the resulting env was:

FILE_ENV="./ci/test/00_setup_env_native_tsan.sh" TEST_RUNNER_EXTRA="--exclude feature_block" #= Not= enough= memory= on= travis= machines=

.travis.yml

@@ -113,9 +113,10 @@ jobs:
 
     - stage: test
       name: 'x86_64 Linux  [GOAL: install]  [bionic]  [no depends, only system libs, sanitizers: thread (TSan), no wallet]'
+      # Not enough memory on travis machines, so feature_block is excluded for now
       env: >-
+        TEST_RUNNER_EXTRA="--exclude feature_block"
         FILE_ENV="./ci/test/00_setup_env_native_tsan.sh"
-        TEST_RUNNER_EXTRA="--exclude feature_block"  # Not enough memory on travis machines
 
     - stage: test
       name: 'x86_64 Linux  [GOAL: install]  [bionic]  [no depends, only system libs, sanitizers: address/leak (ASan + LSan) + undefined (UBSan) + integer]'

ci/test/00_setup_env.sh

@@ -40,6 +40,8 @@ export DOCKER_NAME_TAG=${DOCKER_NAME_TAG:-ubuntu:18.04}
 # Randomize test order.
 # See https://www.boost.org/doc/libs/1_71_0/libs/test/doc/html/boost_test/utf_reference/rt_param_reference/random.html
 export BOOST_TEST_RANDOM=${BOOST_TEST_RANDOM:-1}
+# See man 7 debconf
+export DEBIAN_FRONTEND=noninteractive
 export CCACHE_SIZE=${CCACHE_SIZE:-100M}
 export CCACHE_TEMPDIR=${CCACHE_TEMPDIR:-/tmp/.ccache-temp}
 export CCACHE_COMPRESS=${CCACHE_COMPRESS:-1}

ci/test/04_install.sh

@@ -26,7 +26,7 @@ export ASAN_OPTIONS="detect_stack_use_after_return=1:check_initialization_order=
 export LSAN_OPTIONS="suppressions=${BASE_ROOT_DIR}/test/sanitizer_suppressions/lsan"
 export TSAN_OPTIONS="suppressions=${BASE_ROOT_DIR}/test/sanitizer_suppressions/tsan:log_path=${BASE_SCRATCH_DIR}/sanitizer-output/tsan"
 export UBSAN_OPTIONS="suppressions=${BASE_ROOT_DIR}/test/sanitizer_suppressions/ubsan:print_stacktrace=1:halt_on_error=1:report_error_type=1"
-env | grep -E '^(BITCOIN_CONFIG|BASE_|QEMU_|CCACHE_|LC_ALL|BOOST_TEST_RANDOM|CONFIG_SHELL|(ASAN|LSAN|TSAN|UBSAN)_OPTIONS|TEST_PREVIOUS_RELEASES|PREVIOUS_RELEASES_DIR)' | tee /tmp/env
+env | grep -E '^(BITCOIN_CONFIG|BASE_|QEMU_|CCACHE_|LC_ALL|BOOST_TEST_RANDOM|DEBIAN_FRONTEND|CONFIG_SHELL|(ASAN|LSAN|TSAN|UBSAN)_OPTIONS|TEST_PREVIOUS_RELEASES|PREVIOUS_RELEASES_DIR)' | tee /tmp/env
 if [[ $HOST = *-mingw32 ]]; then
   DOCKER_ADMIN="--cap-add SYS_ADMIN"
 elif [[ $BITCOIN_CONFIG = *--with-sanitizers=*address* ]]; then # If ran with (ASan + LSan), Docker needs access to ptrace (https://github.com/google/sanitizers/issues/764)