1 files changed, 62 insertions, 0 deletions
diff --git a/testing/webcompat/interventions/tests/test_1803976_youtube_com.py b/testing/webcompat/interventions/tests/test_1803976_youtube_com.py
new file mode 100644
index 0000000000..16fc66231a
--- /dev/null
+++ b/testing/webcompat/interventions/tests/test_1803976_youtube_com.py
@@ -0,0 +1,62 @@
+import time
+
+import pytest
+
+URL = "https://www.youtube.com/"
+SEARCH_TERM = "movies"
+
+SEARCH_FIELD_CSS = "input[type='text'][id*='search']"
+SEARCH_BUTTON_CSS = "#search-icon-legacy"
+FILTER_BAR_CSS = "#filter-menu"
+PERF_NOW_CONSTANT = 11111
+
+
+def change_performance_now(client):
+    return client.execute_script(
+        """
+        const PERF_NOW = arguments[0];
+        Object.defineProperty(window.performance, "now", {
+          value: () => PERF_NOW,
+        }, PERF_NOW_CONSTANT);
+    """
+    )
+
+
+async def search_for_term(client):
+    await client.navigate(URL)
+    search = client.await_css(SEARCH_FIELD_CSS)
+    button = client.find_css(SEARCH_BUTTON_CSS)
+
+    assert client.is_displayed(search)
+    assert client.is_displayed(button)
+
+    search.send_keys(SEARCH_TERM)
+    time.sleep(1)
+    button.click()
+    time.sleep(2)
+
+
+@pytest.mark.skip_platforms("android")
+@pytest.mark.asyncio
+@pytest.mark.with_interventions
+async def test_enabled(client):
+    await search_for_term(client)
+    filter_bar = client.await_css(FILTER_BAR_CSS)
+
+    client.back()
+
+    assert not client.is_displayed(filter_bar)
+
+
+@pytest.mark.skip(reason="results are intermittent, so skipping this test for now")
+@pytest.mark.skip_platforms("android")
+@pytest.mark.asyncio
+@pytest.mark.without_interventions
+async def test_disabled(client):
+    change_performance_now(client)
+    await search_for_term(client)
+
+    client.back()
+
+    filter_bar = client.await_css(FILTER_BAR_CSS)
+    assert client.is_displayed(filter_bar)