TestSolrProperties sometimes fails with "no such core: core0"

[junit] Testsuite: org.apache.solr.client.solrj.embedded.TestSolrProperties
[junit] Testcase: testProperties(org.apache.solr.client.solrj.embedded.TestSolrProperties): Caused an ERROR
[junit] No such core: core0
[junit] org.apache.solr.common.SolrException: No such core: core0
[junit] at org.apache.solr.client.solrj.embedded.EmbeddedSolrServer.request(EmbeddedSolrServer.java:118)
[junit] at org.apache.solr.client.solrj.request.AbstractUpdateRequest.process(AbstractUpdateRequest.java:105)
[junit] at org.apache.solr.client.solrj.embedded.TestSolrProperties.testProperties(TestSolrProperties.java:128)
[junit] at org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1260)
[junit] at org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1189)