Fixing tests

Author: jonathan-buttner

x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/services/custom/CustomServiceSettingsTests.java

@@ -687,9 +687,7 @@ public void testXContent_WithInputTypeTranslationValues() throws IOException {
                 "headers": {
                     "key": "value"
                 },
-                "request": {
-                    "content": "string"
-                },
+                "request": "string",
                 "response": {
                     "json_parser": {
                         "text_embeddings": "$.result.embeddings[*].embedding"

x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/services/custom/request/CustomRequestTests.java

@@ -303,7 +303,7 @@ public void testCreateRequest_HandlesQuery_WithReturnDocsAndTopN() throws IOExce
             TaskType.RERANK,
             serviceSettings,
             new CustomTaskSettings(Map.of()),
-            new CustomSecretSettings(Map.of("api_key", new SerializableSecureString("my-secret-key")))
+            new CustomSecretSettings(Map.of("api_key", new SecureString("my-secret-key".toCharArray())))
         );
 
         var request = new CustomRequest(