mvn package test error

[wind2412]

The console log as below:

/Users/xxx/Downloads/simplelanguage >> mvn package
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.oracle:simplelanguage:jar:0.28-SNAPSHOT
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-eclipse-plugin is missing. @ line 48, column 12
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building simplelanguage 0.28-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[WARNING] The POM for org.graalvm:graal-sdk:jar:0.28-SNAPSHOT is missing, no dependency information available
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ simplelanguage ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ simplelanguage ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ simplelanguage ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /Users/zhengxiaolin/Downloads/simplelanguage/src/test/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ simplelanguage ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- maven-surefire-plugin:2.9:test (default-test) @ simplelanguage ---
[INFO] Surefire report directory: /Users/zhengxiaolin/Downloads/simplelanguage/target/surefire-reports

-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running com.oracle.truffle.sl.test.SLFactorialTest
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.253 sec
Running com.oracle.truffle.sl.test.SLParseErrorTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.033 sec
Running com.oracle.truffle.sl.test.SLJavaInteropTest
Tests run: 14, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.114 sec
Running com.oracle.truffle.sl.test.SLSharedCodeSeparatedEnvTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.008 sec
Running com.oracle.truffle.sl.test.SLDebugTest
Tests run: 11, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.111 sec
Running com.oracle.truffle.sl.test.SLInteropPrimitiveTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec
Running com.oracle.truffle.sl.test.SLSimpleTestSuite
Tests run: 54, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.731 sec
Running com.oracle.truffle.sl.test.SLTckTest
Tests run: 98, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.532 sec <<< FAILURE!
Running com.oracle.truffle.sl.test.PassItselfBackViaPolyglotEngineTest
Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec
Running com.oracle.truffle.sl.test.SLInteropControlFlowTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running com.oracle.truffle.sl.test.SLSharedCodeSeparatedEnvLegacyTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec
Running com.oracle.truffle.sl.test.SLInstrumentTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.061 sec
Running com.oracle.truffle.sl.test.SLDebugDirectTest
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.029 sec
Running com.oracle.truffle.sl.test.SLPolyglotTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec
Running com.oracle.truffle.sl.test.SLParseInContextTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec
Running com.oracle.truffle.sl.test.ToStringOfEvalTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec

Results :

Tests in error:
  testWriteToObjectWithValueProperty(com.oracle.truffle.sl.test.SLTckTest): Language environment is already disposed.

Tests run: 203, Failures: 0, Errors: 1, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 4.237 s
[INFO] Finished at: 2018-02-12T22:45:43+08:00
[INFO] Final Memory: 11M/37M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.9:test (default-test) on project simplelanguage: There are test failures.
[ERROR]
[ERROR] Please refer to /Users/xxx/Downloads/simplelanguage/target/surefire-reports for the individual test results.
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException

Besides, graal version is 0.31 and,

>> java -version
java version "9.0.4"
Java(TM) SE Runtime Environment (build 9.0.4+11)
Java HotSpot(TM) 64-Bit Server VM (build 9.0.4+11, mixed mode)

But running ./sl tests/HelloWorld.sl has no problems.