diff --git a/src/tests/test_manager_list_entries.py b/src/tests/test_manager_list_entries.py
index 6df3cb6..444d420 100644
--- a/src/tests/test_manager_list_entries.py
+++ b/src/tests/test_manager_list_entries.py
@@ -176,6 +176,8 @@ def _detail_common(monkeypatch, pm):
     monkeypatch.setattr(
         "password_manager.manager.confirm_action", lambda *a, **k: False
     )
+    monkeypatch.setattr("password_manager.manager.timed_input", lambda *a, **k: "b")
+    monkeypatch.setattr("password_manager.manager.time.sleep", lambda *a, **k: None)
     monkeypatch.setattr(pm, "notify", lambda *a, **k: None)
     pm.password_generator = SimpleNamespace(generate_password=lambda l, i: "pw123")
     called = []
diff --git a/src/tests/test_seed_prompt.py b/src/tests/test_seed_prompt.py
index 700c03f..3711cd4 100644
--- a/src/tests/test_seed_prompt.py
+++ b/src/tests/test_seed_prompt.py
@@ -6,9 +6,25 @@ def test_masked_input_posix_backspace(monkeypatch, capsys):
     seq = iter(["a", "b", "\x7f", "c", "\n"])
     monkeypatch.setattr(seed_prompt.sys.stdin, "read", lambda n=1: next(seq))
     monkeypatch.setattr(seed_prompt.sys.stdin, "fileno", lambda: 0)
-    monkeypatch.setattr(seed_prompt.termios, "tcgetattr", lambda fd: None)
-    monkeypatch.setattr(seed_prompt.termios, "tcsetattr", lambda fd, *_: None)
-    monkeypatch.setattr(seed_prompt.tty, "setraw", lambda fd: None)
+
+    if seed_prompt.termios is None:
+        fake_termios = types.SimpleNamespace(
+            tcgetattr=lambda fd: None,
+            tcsetattr=lambda fd, *_: None,
+            TCSADRAIN=1,
+        )
+        monkeypatch.setattr(seed_prompt, "termios", fake_termios)
+    else:
+        monkeypatch.setattr(seed_prompt.termios, "tcgetattr", lambda fd: None)
+        monkeypatch.setattr(seed_prompt.termios, "tcsetattr", lambda fd, *_: None)
+
+    if seed_prompt.tty is None:
+        fake_tty = types.SimpleNamespace(setraw=lambda fd: None)
+        monkeypatch.setattr(seed_prompt, "tty", fake_tty)
+    else:
+        monkeypatch.setattr(seed_prompt.tty, "setraw", lambda fd: None)
+
+    monkeypatch.setattr(seed_prompt.sys, "platform", "linux", raising=False)
 
     result = seed_prompt.masked_input("Enter: ")
     assert result == "ac"