patch 9.0.1356: cannot cancel "gr" with Esc

Problem:    Cannot cancel "gr" with Esc.
Solution:   Make "gr<Esc>" do nothing. (closes #12064)
diff --git a/src/testdir/test_edit.vim b/src/testdir/test_edit.vim
index f0896d2..79e3c3f 100644
--- a/src/testdir/test_edit.vim
+++ b/src/testdir/test_edit.vim
@@ -573,6 +573,7 @@
   call assert_equal([0, 3, 7, 0], getpos('.'))
   call feedkeys("i\<c-g>j\<esc>", 'tnix')
   call assert_equal([0, 3, 6, 0], getpos('.'))
+  call assert_nobeep("normal! i\<c-g>\<esc>")
   bw!
 endfunc
 
@@ -2064,20 +2065,6 @@
   bwipe!
 endfunc
 
-" Test "gr" followed by an Insert mode command does get out of Insert mode.
-func Test_edit_gr_special()
-  enew
-  call setline(1, ['abcdef', 'xxxxxx'])
-  exe "normal! gr\<C-O>lx"
-  call assert_equal("\<C-O>def", getline(1))
-
-  call setline(1, 'abcdef')
-  exe "normal! 0gr\<C-G>lx"
-  call assert_equal("\<C-G>def", getline(1))
-
-  bwipe!
-endfunc
-
 " Weird long file name was going over the end of NameBuff
 func Test_edit_overlong_file_name()
   CheckUnix