Improve _init_server

[harupy]

Summary

Make the following change, otherwise the subprocess running the server will wait forever and hang:

diff --git a/tests/tracking/integration_test_utils.py b/tests/tracking/integration_test_utils.py
index f64ea82d1..3a1076579 100644
--- a/tests/tracking/integration_test_utils.py
+++ b/tests/tracking/integration_test_utils.py
@@ -60,13 +60,15 @@ def _init_server(backend_uri, root_artifact_uri, extra_env=None, app="mlflow.ser
             **(extra_env or {}),
         },
     ) as proc:
-        _await_server_up_or_die(server_port)
-        url = f"http://{LOCALHOST}:{server_port}"
-        _logger.info(
-            f"Launching tracking server against backend URI {backend_uri}. Server URL: {url}"
-        )
-        yield url
-        proc.terminate()
+        try:
+            _await_server_up_or_die(server_port)
+            url = f"http://{LOCALHOST}:{server_port}"
+            _logger.info(
+                f"Launching tracking server against backend URI {backend_uri}. Server URL: {url}"
+            )
+            yield url
+        finally:
+            proc.terminate()

Notes

• Make sure to open a PR from a non-master branch.

• Sign off the commit using the -s flag when making a commit:

  git commit -s -m "..."
           # ^^ make sure to use this

• Include #{issue_number} (e.g. #123) in the PR description when opening a PR.

[zhouyou9505]

hi sir, Could you assign it to me @harupy

[harupy]

@zhouyou9505 Thanks! Assigned :)