<authentication-client xmlns="urn:elytron:1.0">
    <key-stores>
        <key-store name="test" type="PasswordFile">
            <file name="keystore/xml-client-keystore-credential-test.keystore"/>
            <!--<key-store-credential key-store-name="test" alias="test-alias"/>-->
        </key-store>
    </key-stores>
</authentication-client>

java.lang.NullPointerException
	at org.wildfly.security.auth.client.ElytronXmlParser$AbstractKeyStoreFactory.create(ElytronXmlParser.java:1082)
	at org.wildfly.security.auth.client.ElytronXmlParser$AbstractKeyStoreFactory.create(ElytronXmlParser.java:1067)
	at org.wildfly.security.OneTimeSecurityFactory.create(OneTimeSecurityFactory.java:45)
	at org.wildfly.security.auth.client.ElytronXmlParser.lambda$parseKeyStoreRefType$115(ElytronXmlParser.java:709)
	at org.wildfly.security.auth.client.ElytronXmlParser$$Lambda$4/1929600551.create(Unknown Source)
	at org.wildfly.security.auth.client.KeyStoreEntrySecurityFactory.create(KeyStoreEntrySecurityFactory.java:47)
	at org.wildfly.security.auth.client.KeyStoreEntrySecurityFactory.create(KeyStoreEntrySecurityFactory.java:30)
	at org.wildfly.security.auth.client.ElytronXmlParser.lambda$parseAuthenticationClientRuleType$106(ElytronXmlParser.java:425)
	at org.wildfly.security.auth.client.ElytronXmlParser$$Lambda$5/1053782781.create(Unknown Source)
	at org.wildfly.security.OneTimeSecurityFactory.create(OneTimeSecurityFactory.java:45)
	at org.wildfly.security.auth.client.ElytronXmlParser.lambda$parseAuthenticationClientRuleType$113(ElytronXmlParser.java:474)
	at org.wildfly.security.auth.client.ElytronXmlParser$$Lambda$6/2012232625.create(Unknown Source)
	at org.wildfly.security.auth.client.ElytronXmlParser.lambda$parseAuthenticationClientRulesType$88(ElytronXmlParser.java:242)
	at org.wildfly.security.auth.client.ElytronXmlParser$$Lambda$7/627150481.create(Unknown Source)
	at org.wildfly.security.OneTimeSecurityFactory.create(OneTimeSecurityFactory.java:45)
	at org.wildfly.security.auth.client.XmlClientKeyStoreCredentialTest.testKeystoreCredential(XmlClientKeyStoreCredentialTest.java:110)