patch 8.0.1365: when one channel test fails others fail as well

Problem:    When one channel test fails others fail as well.
Solution:   Stop the job after a failure.  Also add a couple of tests to the
            list of flaky tests.

src/testdir/runtest.vim

@@ -251,6 +251,7 @@ let s:flaky = [
       \ 'Test_exit_callback_interval()',
       \ 'Test_nb_basic()',
       \ 'Test_oneshot()',
+      \ 'Test_paused()',
       \ 'Test_pipe_through_sort_all()',
       \ 'Test_pipe_through_sort_some()',
       \ 'Test_quoteplus()',
@@ -259,6 +260,7 @@ let s:flaky = [
       \ 'Test_terminal_composing_unicode()',
       \ 'Test_terminal_noblock()',
       \ 'Test_terminal_redir_file()',
+      \ 'Test_terminal_tmap()',
       \ 'Test_with_partial_callback()',
       \ ]
 

src/testdir/test_channel.vim

@@ -1694,11 +1694,12 @@ func Test_cwd()
   let g:envstr = ''
   if has('win32')
     let expect = $TEMP
-    call job_start(['cmd', '/c', 'echo %CD%'], {'callback': {ch,msg->execute(":let g:envstr .= msg")}, 'cwd': expect})
+    let job = job_start(['cmd', '/c', 'echo %CD%'], {'callback': {ch,msg->execute(":let g:envstr .= msg")}, 'cwd': expect})
   else
     let expect = $HOME
-    call job_start(['pwd'], {'callback': {ch,msg->execute(":let g:envstr .= msg")}, 'cwd': expect})
+    let job = job_start(['pwd'], {'callback': {ch,msg->execute(":let g:envstr .= msg")}, 'cwd': expect})
   endif
+  try
     call WaitFor('"" != g:envstr')
     let expect = substitute(expect, '[/\\]$', '', '')
     let g:envstr = substitute(g:envstr, '[/\\]$', '', '')
@@ -1706,7 +1707,10 @@ func Test_cwd()
       let g:envstr = g:envstr[8:]
     endif
     call assert_equal(expect, g:envstr)
+  finally
+    call job_stop(job)
     unlet g:envstr
+  endtry
 endfunc
 
 function Ch_test_close_lambda(port)
@@ -1731,7 +1735,7 @@ endfunc
 func s:test_list_args(cmd, out, remove_lf)
   try
     let g:out = ''
-    call job_start([s:python, '-c', a:cmd], {'callback': {ch, msg -> execute('let g:out .= msg')}, 'out_mode': 'raw'})
+    let job = job_start([s:python, '-c', a:cmd], {'callback': {ch, msg -> execute('let g:out .= msg')}, 'out_mode': 'raw'})
     call WaitFor('"" != g:out')
     if has('win32')
       let g:out = substitute(g:out, '\r', '', 'g')
@@ -1741,6 +1745,7 @@ func s:test_list_args(cmd, out, remove_lf)
     endif
     call assert_equal(a:out, g:out)
   finally
+    call job_stop(job)
     unlet g:out
   endtry
 endfunc

src/version.c

@@ -771,6 +771,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1365,
 /**/
     1364,
 /**/