patch 9.0.1004: suspend test sometimes fails on MacOS

Problem:    Suspend test sometimes fails on MacOS.
Solution:   Wait a short while for terminal responses.
diff --git a/src/testdir/test_suspend.vim b/src/testdir/test_suspend.vim
index 327fe06..1c6ebbc 100644
--- a/src/testdir/test_suspend.vim
+++ b/src/testdir/test_suspend.vim
@@ -2,6 +2,7 @@
 
 source check.vim
 source term_util.vim
+source shared.vim
 
 func CheckSuspended(buf, fileExists)
   call WaitForAssert({-> assert_match('[$#] $', term_getline(a:buf, '.'))})
@@ -21,6 +22,8 @@
   CheckFeature terminal
   CheckExecutable /bin/sh
 
+  call WaitForResponses()
+
   let buf = term_start('/bin/sh')
   " Wait for shell prompt.
   call WaitForAssert({-> assert_match('[$#] $', term_getline(buf, '.'))})
@@ -65,6 +68,8 @@
   CheckFeature terminal
   CheckExecutable /bin/sh
 
+  call WaitForResponses()
+
   let buf = term_start('/bin/sh', #{term_rows: 6})
   " Wait for shell prompt.
   call WaitForAssert({-> assert_match('[$#] $', term_getline(buf, '.'))})
diff --git a/src/version.c b/src/version.c
index 8f5fadf..1f21dbc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1004,
+/**/
     1003,
 /**/
     1002,