keycloak-aplcache

diff --git a/testsuite/integration-arquillian/servers/auth-server/services/testsuite-providers/src/main/java/org/keycloak/testsuite/rest/TestingResourceProvider.java b/testsuite/integration-arquillian/servers/auth-server/services/testsuite-providers/src/main/java/org/keycloak/testsuite/rest/TestingResourceProvider.java
index f18bbbd..f160da7 100644
--- a/testsuite/integration-arquillian/servers/auth-server/services/testsuite-providers/src/main/java/org/keycloak/testsuite/rest/TestingResourceProvider.java
+++ b/testsuite/integration-arquillian/servers/auth-server/services/testsuite-providers/src/main/java/org/keycloak/testsuite/rest/TestingResourceProvider.java
@@ -64,6 +64,7 @@ import org.keycloak.testsuite.runonserver.FetchOnServer;
 import org.keycloak.testsuite.runonserver.RunOnServer;
 import org.keycloak.testsuite.runonserver.SerializationUtil;
 import org.keycloak.util.JsonSerialization;
+import org.keycloak.utils.MediaType;
 
 import javax.ws.rs.Consumes;
 import javax.ws.rs.GET;
@@ -74,7 +75,6 @@ import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
 import javax.ws.rs.Produces;
 import javax.ws.rs.QueryParam;
-import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
@@ -655,8 +655,8 @@ public class TestingResourceProvider implements RealmResourceProvider {
 
     @POST
     @Path("/run-on-server")
-    @Consumes(MediaType.TEXT_PLAIN)
-    @Produces(MediaType.TEXT_PLAIN)
+    @Consumes(MediaType.TEXT_PLAIN_UTF_8)
+    @Produces(MediaType.TEXT_PLAIN_UTF_8)
     public String runOnServer(String runOnServer) throws Exception {
         try {
             ClassLoader cl = ModuleUtil.isModules() ? ModuleUtil.getClassLoader() : getClass().getClassLoader();