test: new mediatype for spring-boot 2.2.1

Author: xchopin

src/test/java/org/apereo/openlrw/tenant/endpoint/TenantControllerTest.java

@@ -1,6 +1,3 @@
-/**
- * 
- */
 package org.apereo.openlrw.tenant.endpoint;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -29,12 +26,12 @@
 
 /**
  * @author ggilbert
+ * @author xchopin <xavier.chopin@univ-lorraine.fr>
  *
  */
 public class TenantControllerTest {
 
-  private MediaType contentType = new MediaType(MediaType.APPLICATION_JSON.getType(), MediaType.APPLICATION_JSON.getSubtype(),
-      Charset.forName("utf8"));
+  private MediaType contentType = new MediaType(MediaType.APPLICATION_JSON.getType(), MediaType.APPLICATION_JSON.getSubtype());
 
   private MockMvc mockMvc;