PackageTest is broken on 3.0.x branch

error is like
[org.ops4j.pax.exam.spi.reactors.ReactorManager] : suite finished
Tests run: 5, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 7.272 sec <<< FAILURE! - in org.apache.karaf.itests.PackageTest
duplicatePackageTest(org.apache.karaf.itests.PackageTest) Time elapsed: 0.023 sec <<< FAILURE!
java.lang.AssertionError: Expecting number of duplicates for package org.fusesource.jansi:1.11.0 expected:<0> but was:<2>
at org.junit.Assert.fail(Assert.java:88)
at org.junit.Assert.failNotEquals(Assert.java:834)
at org.junit.Assert.assertEquals(Assert.java:645)
at org.apache.karaf.itests.PackageTest.duplicatePackageTest(PackageTest.java:99)

Results :

Failed tests:
PackageTest.duplicatePackageTest:99 Expecting number of duplicates for package org.fusesource.jansi:1.11.0 expected:<0> but was:<2>