diff --git a/changelog/2022.bugfix b/changelog/2022.bugfix
new file mode 100644
index 00000000000..67c9c8f7731
--- /dev/null
+++ b/changelog/2022.bugfix
@@ -0,0 +1 @@
+Fixed hanging pexpect test on MacOS by using flush() instead of wait().
\ No newline at end of file
diff --git a/testing/test_pdb.py b/testing/test_pdb.py
index a565cbd0df2..8618473bb15 100644
--- a/testing/test_pdb.py
+++ b/testing/test_pdb.py
@@ -402,5 +402,4 @@ def test_foo():
         child = testdir.spawn_pytest("--pdbcls=custom_pdb:CustomPdb %s" % str(p1))
 
         child.expect('custom set_trace>')
-        if child.isalive():
-            child.wait()
+        self.flush(child)