patch 8.0.1058: terminal redirection test is flaky

Problem:    Terminal redirection test is flaky.
Solution:   Wait for job to finish.

Author: brammool

src/testdir/test_terminal.vim

@@ -614,6 +614,8 @@ func Test_terminal_redir_file()
     call term_wait(buf)
     call WaitFor('term_getline(' . buf . ', 1) == "one line"')
     call assert_equal('one line', term_getline(buf, 1))
+    let g:job = term_getjob(buf)
+    call WaitFor('job_status(g:job) == "dead"')
     bwipe
     call delete('Xfile')
   endif

src/version.c

@@ -769,6 +769,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1058,
 /**/
     1057,
 /**/