Fix TestAuditHistoryProviderWithMongoDB.testDocumentHistoryPageProvider randomly failing agains MongoDB

java.lang.NullPointerException
	at java.base/java.text.SimpleDateFormat.matchZoneString(SimpleDateFormat.java:1695)
	at java.base/java.text.SimpleDateFormat.subParseZoneString(SimpleDateFormat.java:1763)
	at java.base/java.text.SimpleDateFormat.subParse(SimpleDateFormat.java:2169)
	at java.base/java.text.SimpleDateFormat.parse(SimpleDateFormat.java:1541)
	at org.bson.json.JsonReader.visitISODateTimeConstructor(JsonReader.java:857)
	at org.bson.json.JsonReader.readBsonType(JsonReader.java:227)
	at org.bson.codecs.DocumentCodec.decode(DocumentCodec.java:162)
	at org.bson.codecs.DocumentCodec.decode(DocumentCodec.java:45)
	at org.bson.internal.LazyCodec.decode(LazyCodec.java:48)
	at org.bson.codecs.DocumentCodec.readValue(DocumentCodec.java:253)
	at org.bson.codecs.DocumentCodec.decode(DocumentCodec.java:164)
	at org.bson.codecs.DocumentCodec.decode(DocumentCodec.java:45)
	at org.bson.internal.LazyCodec.decode(LazyCodec.java:48)
	at org.bson.codecs.DocumentCodec.readValue(DocumentCodec.java:253)
	at org.bson.codecs.DocumentCodec.readList(DocumentCodec.java:261)
	at org.bson.codecs.DocumentCodec.readValue(DocumentCodec.java:231)
	at org.bson.codecs.DocumentCodec.decode(DocumentCodec.java:164)
	at org.bson.codecs.DocumentCodec.decode(DocumentCodec.java:45)
	at org.bson.codecs.DocumentCodec.readValue(DocumentCodec.java:253)
	at org.bson.codecs.DocumentCodec.readList(DocumentCodec.java:261)
	at org.bson.codecs.DocumentCodec.readValue(DocumentCodec.java:231)
	at org.bson.codecs.DocumentCodec.decode(DocumentCodec.java:164)
	at org.bson.codecs.DocumentCodec.decode(DocumentCodec.java:45)
	at org.bson.Document.parse(Document.java:109)
	at org.bson.Document.parse(Document.java:94)
	at org.nuxeo.mongodb.audit.pageprovider.MongoDBAuditPageProvider.buildSearchFilter(MongoDBAuditPageProvider.java:318)
	at org.nuxeo.mongodb.audit.pageprovider.MongoDBAuditPageProvider.buildAuditFilter(MongoDBAuditPageProvider.java:209)
	at org.nuxeo.mongodb.audit.pageprovider.MongoDBAuditPageProvider.getCurrentPage(MongoDBAuditPageProvider.java:98)
	at org.nuxeo.mongodb.audit.TestAuditHistoryProviderWithMongoDB.testDocumentHistoryPageProvider(TestAuditHistoryProviderWithMongoDB.java:301)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.nuxeo.runtime.test.runner.FeaturesRunner$BeforeMethodRunStatement.evaluate(FeaturesRunner.java:396)
	at org.nuxeo.runtime.test.runner.FeaturesRunner$BeforeSetupStatement.evaluate(FeaturesRunner.java:410)
	at org.nuxeo.runtime.test.runner.FeaturesRunner.evaluateRunnable(FeaturesRunner.java:267)
	at org.nuxeo.runtime.test.runner.FeaturesRunner$AfterMethodRunStatement.evaluate(FeaturesRunner.java:432)
	at org.nuxeo.runtime.test.runner.FeaturesRunner.evaluateRunnable(FeaturesRunner.java:267)
	at org.nuxeo.runtime.test.runner.FeaturesRunner$AfterTeardownStatement.evaluate(FeaturesRunner.java:445)
	at org.nuxeo.runtime.test.runner.FeaturesRunner$RulesFactory$1.evaluate(FeaturesRunner.java:515)
	at org.nuxeo.runtime.test.runner.ConditionalIgnoreRule$2.evaluate(ConditionalIgnoreRule.java:168)
	at org.nuxeo.runtime.test.runner.RuntimeDeployment$DeploymentStatement.evaluate(RuntimeDeployment.java:326)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.nuxeo.runtime.test.runner.FeaturesRunner$AfterClassStatement.evaluate(FeaturesRunner.java:343)
	at org.nuxeo.runtime.test.runner.FeaturesRunner$RulesFactory$1.evaluate(FeaturesRunner.java:515)
	at org.nuxeo.runtime.test.runner.FeaturesRunner$BeforeClassStatement.evaluate(FeaturesRunner.java:326)
	at org.nuxeo.runtime.test.runner.ConditionalIgnoreRule$1.evaluate(ConditionalIgnoreRule.java:145)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.junit.runners.Suite.runChild(Suite.java:128)
	at org.junit.runners.Suite.runChild(Suite.java:27)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.apache.maven.surefire.junitcore.JUnitCore.run(JUnitCore.java:55)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.createRequestAndRun(JUnitCoreWrapper.java:137)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.executeEager(JUnitCoreWrapper.java:107)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.execute(JUnitCoreWrapper.java:83)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.execute(JUnitCoreWrapper.java:75)
	at org.apache.maven.surefire.junitcore.JUnitCoreProvider.invoke(JUnitCoreProvider.java:158)
	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
	at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)