vim-patch:8.2.2030: some tests fail on Mac

Problem:    Some tests fail on Mac.
Solution:   Avoid Mac test failures.  Add additional test for wildmenu.
            (Yegappan Lakshmanan, closes vim/vim#7341)
4b2ce1297e

src/nvim/testdir/runtest.vim

@@ -114,6 +114,13 @@ if has('win32')
   let $PROMPT = '$P$G'
 endif
 
+if has('mac')
+  " In MacOS, when starting a shell in a terminal, a bash deprecation warning
+  " message is displayed. This breaks the terminal test. Disable the warning
+  " message.
+  let $BASH_SILENCE_DEPRECATION_WARNING = 1
+endif
+
 " Prepare for calling test_garbagecollect_now().
 let v:testing = 1
 

src/nvim/testdir/test_cmdline.vim

@@ -1809,6 +1809,36 @@ func Test_read_shellcmd()
   endif
 endfunc
 
+" Test for going up and down the directory tree using 'wildmenu'
+func Test_wildmenu_dirstack()
+  CheckUnix
+  %bw!
+  call mkdir('Xdir1/dir2/dir3', 'p')
+  call writefile([], 'Xdir1/file1_1.txt')
+  call writefile([], 'Xdir1/file1_2.txt')
+  call writefile([], 'Xdir1/dir2/file2_1.txt')
+  call writefile([], 'Xdir1/dir2/file2_2.txt')
+  call writefile([], 'Xdir1/dir2/dir3/file3_1.txt')
+  call writefile([], 'Xdir1/dir2/dir3/file3_2.txt')
+  cd Xdir1/dir2/dir3
+  set wildmenu
+
+  call feedkeys(":e \<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e file3_1.txt', @:)
+  call feedkeys(":e \<Tab>\<Up>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e ../dir3/', @:)
+  call feedkeys(":e \<Tab>\<Up>\<Up>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e ../../dir2/', @:)
+  call feedkeys(":e \<Tab>\<Up>\<Up>\<Down>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e ../../dir2/dir3/', @:)
+  call feedkeys(":e \<Tab>\<Up>\<Up>\<Down>\<Down>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"e ../../dir2/dir3/file3_1.txt', @:)
+
+  cd -
+  call delete('Xdir1', 'rf')
+  set wildmenu&
+endfunc
+
 " Test for recalling newer or older cmdline from history with <Up>, <Down>,
 " <S-Up>, <S-Down>, <PageUp>, <PageDown>, <C-p>, or <C-n>.
 func Test_recalling_cmdline()

src/nvim/testdir/test_options.vim

@@ -774,7 +774,13 @@ func Test_shell()
   CheckUnix
   let save_shell = &shell
   set shell=
-  call assert_fails('shell', 'E91:')
+  let caught_e91 = 0
+  try
+    shell
+  catch /E91:/
+    let caught_e91 = 1
+  endtry
+  call assert_equal(1, caught_e91)
   let &shell = save_shell
 endfunc