test: Make log errors easier to find

We were using greenprint for failures, which makes it hard to quickly
find where the tests failed. This switches errors to use redprint, and
adds it to places that were simply using echo before doing an exit 1.

test/cases/base_tests.sh

@@ -4,6 +4,7 @@ set -euo pipefail
 #
 # Script that executes different high level sanity tests writen in GO. 
 #
+source /usr/libexec/tests/osbuild-composer/shared_lib.sh
 
 WORKING_DIRECTORY=/usr/libexec/osbuild-composer
 TESTS_PATH=/usr/libexec/osbuild-composer-test
@@ -67,15 +68,15 @@ done
 
 # Print a report of the test results.
 test_divider
-echo "😃 Passed tests:" "${PASSED_TESTS[@]}"
-echo "☹ Failed tests:" "${FAILED_TESTS[@]}"
+greenprint "😃 Passed tests:" "${PASSED_TESTS[@]}"
+redprint "☹ Failed tests:" "${FAILED_TESTS[@]}"
 test_divider
 
 # Exit with a failure if tests were executed and any of them failed.
 if [ ${#PASSED_TESTS[@]} -gt 0 ] && [ ${#FAILED_TESTS[@]} -eq 0 ]; then
-    echo "🎉 All tests passed."
+    greenprint "🎉 All tests passed."
     exit 0
 else
-    echo "🔥 One or more tests failed."
+    redprint "🔥 One or more tests failed."
     exit 1
 fi