patch 8.2.2398: method test fails

Problem:    Method test fails.
Solution:   Adjust test for allowed white space.

Author: brammool

src/testdir/test_method.vim

@@ -131,9 +131,11 @@ func Test_method_syntax()
   eval [1, 2, 3]  
 	\ ->sort(
 	\ )
-  call assert_fails('eval [1, 2, 3]-> sort()', 'E15:')
+  eval [1, 2, 3]-> sort()
+
   call assert_fails('eval [1, 2, 3]->sort ()', 'E274:')
-  call assert_fails('eval [1, 2, 3]-> sort ()', 'E15:')
+  call assert_fails('eval [1, 2, 3] ->sort ()', 'E274:')
+  call assert_fails('eval [1, 2, 3]-> sort ()', 'E274:')
 endfunc
 
 func Test_method_lambda()

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2398,
 /**/
     2397,
 /**/