Add completion_test_service to InferenceGetServicesIT

Author: afoucret

x-pack/plugin/inference/qa/inference-service-tests/src/javaRestTest/java/org/elasticsearch/xpack/inference/InferenceGetServicesIT.java

@@ -25,7 +25,7 @@ public class InferenceGetServicesIT extends BaseMockEISAuthServerTest {
 
     public void testGetServicesWithoutTaskType() throws IOException {
         List<Object> services = getAllServices();
-        assertThat(services.size(), equalTo(22));
+        assertThat(services.size(), equalTo(23));
 
         var providers = providers(services);
 
@@ -49,6 +49,7 @@ public void testGetServicesWithoutTaskType() throws IOException {
                     "mistral",
                     "openai",
                     "streaming_completion_test_service",
+                    "completion_test_service",
                     "test_reranking_service",
                     "test_service",
                     "text_embedding_test_service",
@@ -123,7 +124,7 @@ public void testGetServicesWithRerankTaskType() throws IOException {
 
     public void testGetServicesWithCompletionTaskType() throws IOException {
         List<Object> services = getServices(TaskType.COMPLETION);
-        assertThat(services.size(), equalTo(11));
+        assertThat(services.size(), equalTo(12));
 
         var providers = providers(services);
 
@@ -141,6 +142,7 @@ public void testGetServicesWithCompletionTaskType() throws IOException {
                     "googleaistudio",
                     "openai",
                     "streaming_completion_test_service",
+                    "completion_test_service",
                     "hugging_face"
                 ).toArray()
             )