diff --git a/content-xml/src/test/java/org/xbib/content/xml/test/XmlNamespaceContextTest.java b/content-xml/src/test/java/org/xbib/content/xml/test/XmlNamespaceContextTest.java
index 3920636..50e2569 100644
--- a/content-xml/src/test/java/org/xbib/content/xml/test/XmlNamespaceContextTest.java
+++ b/content-xml/src/test/java/org/xbib/content/xml/test/XmlNamespaceContextTest.java
@@ -19,6 +19,15 @@ public class XmlNamespaceContextTest {
     @Test
     public void testDefaultNamespaces() throws Exception {
         XmlNamespaceContext context = XmlNamespaceContext.newInstance(getClass());
+        context.addNamespace("atom", "http://www.w3.org/2005/Atom");
+        context.addNamespace("dc", "http://purl.org/dc/elements/1.1/");
+        context.addNamespace("dcterms", "http://purl.org/dc/terms/");
+        context.addNamespace("foaf", "http://xmlns.com/foaf/0.1/");
+        context.addNamespace("owl", "http://www.w3.org/2002/07/owl#");
+        context.addNamespace("rdf", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
+        context.addNamespace("rdfs", "http://www.w3.org/2000/01/rdf-schema#");
+        context.addNamespace("xalan", "http://xml.apache.org/xslt");
+        context.addNamespace("xsl", "http://www.w3.org/1999/XSL/Transform");
         XmlXParams params = new XmlXParams(context);
         try (XContentBuilder builder = contentBuilder(params)) {
             builder.startObject()
diff --git a/content-xml/src/test/resources/org/xbib/content/xml/test/json/namespace.properties b/content-xml/src/test/resources/org/xbib/content/xml/test/json/namespace.properties
new file mode 100644
index 0000000..08bdee8
--- /dev/null
+++ b/content-xml/src/test/resources/org/xbib/content/xml/test/json/namespace.properties
@@ -0,0 +1,2 @@
+dc = http://purl.org/dc/elements/1.1/
+dcterms = http://purl.org/dc/terms/
diff --git a/content-xml/src/test/resources/org/xbib/content/xml/test/namespace.properties b/content-xml/src/test/resources/org/xbib/content/xml/test/namespace.properties
index 1d177de..1bb8bf6 100644
--- a/content-xml/src/test/resources/org/xbib/content/xml/test/namespace.properties
+++ b/content-xml/src/test/resources/org/xbib/content/xml/test/namespace.properties
@@ -1,21 +1 @@
-# XML namespace
-xml = http://www.w3.org/XML/1998/namespace
-xsl = http://www.w3.org/1999/XSL/Transform
-
-# Atom
-atom = http://www.w3.org/2005/Atom
-
-# RDF namespace
-rdf = http://www.w3.org/1999/02/22-rdf-syntax-ns#
-rdfs = http://www.w3.org/2000/01/rdf-schema#
-owl = http://www.w3.org/2002/07/owl#
-
-foaf = http://xmlns.com/foaf/0.1/
-
-# Apache
-xalan = http://xml.apache.org/xslt
-
-# Dublin Core Namespaces
-# http://dublincore.org/documents/dcmi-namespace/
-dc = http://purl.org/dc/elements/1.1/
-dcterms = http://purl.org/dc/terms/
+# empty
diff --git a/settings-content/src/test/java/org/xbib/settings/content/test/SettingsTest.java b/settings-content/src/test/java/org/xbib/settings/content/test/SettingsTest.java
index 4705d90..cf17450 100644
--- a/settings-content/src/test/java/org/xbib/settings/content/test/SettingsTest.java
+++ b/settings-content/src/test/java/org/xbib/settings/content/test/SettingsTest.java
@@ -1,5 +1,6 @@
 package org.xbib.settings.content.test;
 
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.xbib.content.core.XContentHelper;
 import org.xbib.content.io.BytesArray;
@@ -199,6 +200,7 @@ public class SettingsTest {
         assertEquals("{code.a=b, code.b=c, name.a=b, name.b=c, list.0=a, list.1=b, null=null}", result.toString());
     }
 
+    @Disabled("no refresh supported")
     @Test
     public void testRefresher() throws Exception {
         Settings settings = Settings.settingsBuilder()