fix ut compile and travis (#364)

.github/workflows/unittests.yml

@@ -101,10 +101,9 @@ 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
-          cd native-sql-engine/core/
           mvn test -P full-scala-compiler -DmembersOnlySuites=org.apache.spark.sql.travis -am -DfailIfNoTests=false -Dexec.skip=true -DargLine="-Dspark.test.home=/tmp/spark-3.0.0-bin-hadoop2.7" &> log-file.log
           echo '#!/bin/bash' > grep.sh
-          echo "module_tested=0; module_should_test=1; 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
+          echo "module_tested=0; module_should_test=5; 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
 
   formatting-check:

native-sql-engine/core/pom.xml

@@ -308,7 +308,7 @@
       <plugin>
         <groupId>net.alchim31.maven</groupId>
         <artifactId>scala-maven-plugin</artifactId>
-        <version>4.4.0</version>
+        <version>4.3.0</version>
         <configuration>
           <recompileMode>${scala.recompile.mode}</recompileMode>
         </configuration>