Reintroduce hanging dagit test (#29165)

Author: jmsanders

python_modules/dagit/dagit_tests/test_cli.py

@@ -2,7 +2,6 @@
 import subprocess
 import time
 
-import pytest
 from dagster import asset
 
 
@@ -21,15 +20,16 @@ def foo(bar):
     return 1
 
 
-@pytest.mark.skip("This test is hanging indefinitely")
 def test_cli_logs_to_dagit():
     defs_path = os.path.realpath(__file__)
     process = subprocess.Popen(
         ["dagit", "-f", defs_path], stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True
     )
     time.sleep(2)  # give time for dagit to start
     process.terminate()
-    process.wait()
-    stdout, _ = process.communicate()
-    assert "The `dagit` CLI command is deprecated" in stdout
-    assert "- dagit -" in stdout
+    try:
+        stdout, _ = process.communicate(timeout=10)
+        assert "The `dagit` CLI command is deprecated" in stdout
+        assert "- dagit -" in stdout
+    except subprocess.TimeoutExpired:
+        process.kill()