vim-patch:8.2.3480: test does not fail without the fix for a crash

Problem:    Test does not fail without the fix for a crash.
Solution:   Write the bad code in a file and source it. (Dominique Pellé,
            closes vim/vim#8961)
949de97da3

src/nvim/testdir/test_trycatch.vim

@@ -2046,17 +2046,26 @@ func Test_user_command_function_call_with_endtry()
 endfunc
 
 func ThisWillFail()
-  try
+
-    if x | endif
-  catch
-    for l in []
-  finally 
 endfunc
 
+" This was crashing prior to the fix in 8.2.3478.
 func Test_error_in_catch_and_finally()
-  call assert_fails('call ThisWillFail()', ['E121:', 'E600:'])
+  let lines =<< trim END
-endfunc
+    try
+      echo x
+    catch
+      for l in []
+    finally
+  END
+  call writefile(lines, 'XtestCatchAndFinally')
+  try
+    source XtestCatchAndFinally
+  catch /E600:/
+  endtry
 
+  call delete('XtestCatchAndFinally')
+endfunc
 
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