Repository: cobbler/cobbler (language: python)

Issue:
Switch to `tftpd` for `test_service_restart_supervisord`
### Describe the bug

Not all test environments have dhcpd available for testing. As such switch to a more available daemon for the test.

### Steps to reproduce

1.
2.
3.

### Expected behavior

<!--- A clear and concise description of what you expected to happen. -->

### Cobbler version

<!--- Paste output from `cobbler version` -->
````paste below
Not relevant
````

### Operating system

openSUSE Leap 15.6

### Cobbler log

````paste below
Not relevant
````

### Screenshots

None

### Additional information

This was discovered as a not upstreamed patch during my attempt to submit 3.3.5 to the devel project in openSUSE.



Discussion / hints:

Fix patch:
diff --git a/changelog.d/3749.fixed b/changelog.d/3749.fixed
new file mode 100644
index 0000000000..26d597b575
--- /dev/null
+++ b/changelog.d/3749.fixed
@@ -0,0 +1,1 @@
+Tests: Switch to tftpd for supervisorctl tests
\ No newline at end of file


Test patch:
diff --git a/tests/utils_test.py b/tests/utils_test.py
index ff249af91e..388efc259d 100644
--- a/tests/utils_test.py
+++ b/tests/utils_test.py
@@ -934,7 +934,7 @@ def test_service_restart_supervisord(mocker):
     # TODO Mock supervisor API and return value
 
     # Act
-    result = utils.service_restart("dhcpd")
+    result = utils.service_restart("tftpd")
 
     # Assert
     assert result == 0