fix tests

Author: jdconrad

server/src/test/java/org/elasticsearch/TransportVersionTests.java

@@ -402,17 +402,10 @@ public void testComment() {
     }
 
     public void testMoreLikeThis() {
-        IllegalStateException ise = expectThrows(IllegalStateException.class, () -> TransportVersion.fromName("to_child_lock_join_query"));
-        assertThat(
-            ise.getMessage(),
-            is(
-                "Unknown transport version [to_child_lock_join_query]. "
-                    + "Did you mean [to_child_block_join_query]? "
-                    + "If this is a new transport version, run './gradle generateTransportVersion'."
-            )
+        IllegalStateException ise = expectThrows(
+            IllegalStateException.class,
+            () -> TransportVersion.fromName("brand_new_version_unrelated_to_others")
         );
-
-        ise = expectThrows(IllegalStateException.class, () -> TransportVersion.fromName("brand_new_version_unrelated_to_others"));
         assertThat(
             ise.getMessage(),
             is(