Only need to check for 400 now

Author: romseygeek

test/framework/src/main/java/org/elasticsearch/test/rest/ESRestTestCase.java

@@ -684,8 +684,7 @@ private static void deleteAllILMPolicies() throws IOException {
             Response response = adminClient().performRequest(new Request("GET", "/_ilm/policy"));
             policies = entityAsMap(response);
         } catch (ResponseException e) {
-            if (RestStatus.METHOD_NOT_ALLOWED.getStatus() == e.getResponse().getStatusLine().getStatusCode() ||
-                RestStatus.BAD_REQUEST.getStatus() == e.getResponse().getStatusLine().getStatusCode()) {
+            if (RestStatus.BAD_REQUEST.getStatus() == e.getResponse().getStatusLine().getStatusCode()) {
                 // If bad request returned, ILM is not enabled.
                 return;
             }
@@ -708,8 +707,7 @@ private static void deleteAllSLMPolicies() throws IOException {
             Response response = adminClient().performRequest(new Request("GET", "/_slm/policy"));
             policies = entityAsMap(response);
         } catch (ResponseException e) {
-            if (RestStatus.METHOD_NOT_ALLOWED.getStatus() == e.getResponse().getStatusLine().getStatusCode() ||
-                RestStatus.BAD_REQUEST.getStatus() == e.getResponse().getStatusLine().getStatusCode()) {
+            if (RestStatus.BAD_REQUEST.getStatus() == e.getResponse().getStatusLine().getStatusCode()) {
                 // If bad request returned, SLM is not enabled.
                 return;
             }