patch 8.2.3242: Vim9: valgrind reports leaks in builtin function test

Problem:    Vim9: valgrind reports leaks in builtin function test.
Solution:   Do not start a job.

Author: brammool

src/testdir/test_vim9_builtin.vim

@@ -3239,8 +3239,8 @@ def Test_substitute()
   assert_equal('AX234', res)
 
   if has('job')
-    assert_fails('"text"->substitute(".*", () => job_start(":"), "")', 'E908: using an invalid value as a String: job')
-    assert_fails('"text"->substitute(".*", () => job_start(":")->job_getchannel(), "")', 'E908: using an invalid value as a String: channel')
+    assert_fails('"text"->substitute(".*", () => test_null_job(), "")', 'E908: using an invalid value as a String: job')
+    assert_fails('"text"->substitute(".*", () => test_null_channel(), "")', 'E908: using an invalid value as a String: channel')
   endif
   CheckDefAndScriptFailure2(['substitute(1, "b", "1", "d")'], 'E1013: Argument 1: type mismatch, expected string but got number', 'E1174: String required for argument 1')
   CheckDefAndScriptFailure2(['substitute("a", 2, "1", "d")'], 'E1013: Argument 2: type mismatch, expected string but got number', 'E1174: String required for argument 2')

src/version.c

@@ -755,6 +755,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3242,
 /**/
     3241,
 /**/