diff --git a/panel/tests/ui/io/test_server.py b/panel/tests/ui/io/test_server.py
index fae26dbfeb..dc03b1a385 100644
--- a/panel/tests/ui/io/test_server.py
+++ b/panel/tests/ui/io/test_server.py
@@ -21,11 +21,11 @@ def app(counts=[0]):
 
     page.goto(f"http://localhost:{port}")
 
-    assert page.text_content(".bk.markdown") == 'Count 0'
+    assert page.text_content(".markdown h1") == 'Count 0'
 
     page.goto(f"http://localhost:{port}")
 
-    assert page.text_content(".bk.markdown") == 'Count 1'
+    assert page.text_content(".markdown h1") == 'Count 1'
 
 
 def test_server_reuse_sessions_with_session_key_func(page, port, reuse_sessions):
@@ -45,9 +45,9 @@ def app(counts=[0]):
     page.goto(f"http://localhost:{port}/?arg=foo")
 
     assert page.text_content("title") == 'foo'
-    assert page.text_content(".bk.markdown") == 'Count 0'
+    assert page.text_content(".markdown h1") == 'Count 0'
 
     page.goto(f"http://localhost:{port}/?arg=bar")
 
     assert page.text_content("title") == 'bar'
-    assert page.text_content(".bk.markdown") == 'Count 1'
+    assert page.text_content(".markdown h1") == 'Count 1'