use tee with cat

Author: 3nids

.docker/qgis_resources/test_runner/qgis_testrunner.sh

@@ -11,7 +11,7 @@
 TEST_NAME=$1
 
 echo "Running test $1 ..."
-OUTPUT=$(QGIS_TEST_MODULE=${TEST_NAME} qgis --version-migration --nologo --code /usr/bin/qgis_testrunner.py "$TEST_NAME" 2>/dev/null)
+OUTPUT=$(QGIS_TEST_MODULE=${TEST_NAME} unbuffer qgis --version-migration --nologo --code /usr/bin/qgis_testrunner.py "$TEST_NAME"  2>/dev/null | tee >(cat))
 EXIT_CODE="$?"
 if [ -z "$OUTPUT" ]; then
     echo "ERROR: no output from the test runner! (exit code: ${EXIT_CODE})"