print the failed uts in travis

.github/workflows/unittests.yml

@@ -101,7 +101,7 @@ jobs:
           mvn clean install -DskipTests -Dbuild_arrow=OFF
           cd ..
           mvn clean package -P full-scala-compiler -am -pl native-sql-engine/core -DskipTests -Dbuild_arrow=OFF
-          mvn test -P full-scala-compiler -DmembersOnlySuites=org.apache.spark.sql.nativesql -am -DfailIfNoTests=false -Dexec.skip=true -DargLine="-Dspark.test.home=/tmp/spark-3.1.1-bin-hadoop2.7" &> log-file.log
+          mvn test -P full-scala-compiler -DmembersOnlySuites=org.apache.spark.sql.nativesql -am -DfailIfNoTests=false -Dexec.skip=true -DargLine="-Dspark.test.home=/tmp/spark-3.1.1-bin-hadoop2.7"
           echo '#!/bin/bash' > grep.sh
           echo "module_tested=0; module_should_test=8; tests_total=0; while read -r line; do num=\$(echo \"\$line\" | grep -o -E '[0-9]+'); tests_total=\$((tests_total+num)); done <<<\"\$(grep \"Total number of tests run:\" log-file.log)\"; succeed_total=0; while read -r line; do [[ \$line =~ [^0-9]*([0-9]+)\, ]]; num=\${BASH_REMATCH[1]}; succeed_total=\$((succeed_total+num)); let module_tested++; done <<<\"\$(grep \"succeeded\" log-file.log)\"; if test \$tests_total -eq \$succeed_total -a \$module_tested -eq \$module_should_test; then echo \"All unit tests succeed\"; else echo \"Unit tests failed\"; exit 1; fi" >> grep.sh
           bash grep.sh