patch 8.0.1219: terminal test is flaky

Problem:    Terminal test is flaky.
Solution:   Add test function to list of flaky tests.

Author: brammool

src/testdir/runtest.vim

@@ -109,14 +109,21 @@ func RunTheTest(test)
 
   call add(s:messages, 'Executing ' . a:test)
   let s:done += 1
-  try
+
+  if a:test =~ 'Test_nocatch_'
+    " Function handles errors itself.  This avoids skipping commands after the
+    " error.
     exe 'call ' . a:test
-  catch /^\cskipped/
-    call add(s:messages, '    Skipped')
-    call add(s:skipped, 'SKIPPED ' . a:test . ': ' . substitute(v:exception, '^\S*\s\+', '',  ''))
-  catch
-    call add(v:errors, 'Caught exception in ' . a:test . ': ' . v:exception . ' @ ' . v:throwpoint)
-  endtry
+  else
+    try
+      exe 'call ' . a:test
+    catch /^\cskipped/
+      call add(s:messages, '    Skipped')
+      call add(s:skipped, 'SKIPPED ' . a:test . ': ' . substitute(v:exception, '^\S*\s\+', '',  ''))
+    catch
+      call add(v:errors, 'Caught exception in ' . a:test . ': ' . v:exception . ' @ ' . v:throwpoint)
+    endtry
+  endif
 
   if exists("*TearDown")
     try
@@ -233,6 +240,7 @@ let s:flaky = [
       \ 'Test_quoteplus()',
       \ 'Test_quotestar()',
       \ 'Test_reltime()',
+      \ 'Test_terminal_composing_unicode()',
       \ 'Test_terminal_noblock()',
       \ 'Test_with_partial_callback()',
       \ ]

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1219,
 /**/
     1218,
 /**/