diff --git a/tests/test_navigation_search_js.py b/tests/test_navigation_search_js.py
deleted file mode 100644
index fc3c7a63..00000000
--- a/tests/test_navigation_search_js.py
+++ /dev/null
@@ -1,194 +0,0 @@
-import json
-from pathlib import Path
-import subprocess
-import textwrap
-
-REPO_ROOT = Path(__file__).resolve().parents[1]
-STATIC_DIR = REPO_ROOT / "datasette" / "static"
-
-
-def test_navigation_search_renders_jump_sections_from_javascript_plugins():
-    script = (
-        textwrap.dedent("""
-        const fs = require("fs");
-        const vm = require("vm");
-        const datasetteManagerJs = __DATASETTE_MANAGER_JS__;
-        const navigationSearchJs = __NAVIGATION_SEARCH_JS__;
-
-        const documentListeners = {};
-
-        class FakeElement {
-          constructor(tagName = "div", parent = null) {
-            this._innerHTML = "";
-            this.value = "";
-            this.dataset = {};
-            this.open = false;
-            this.parent = parent;
-            this.tagName = tagName.toUpperCase();
-          }
-          set textContent(value) {
-            this.innerHTML = String(value)
-              .replace(/&/g, "&")
-              .replace(/</g, "&lt;")
-              .replace(/>/g, "&gt;")
-              .replace(/"/g, "&quot;");
-          }
-          get innerHTML() {
-            return this._innerHTML;
-          }
-          set innerHTML(value) {
-            this._innerHTML = String(value);
-            if (this.parent) {
-              this.parent._innerHTML += this._innerHTML;
-            }
-          }
-          addEventListener() {}
-          appendChild(child) {
-            this._innerHTML += child.innerHTML || "";
-            return child;
-          }
-          close() { this.open = false; }
-          focus() {}
-          querySelector(selector) {
-            if (selector.startsWith("[data-jump-section-index=")) {
-              return new FakeElement("div", this);
-            }
-            return { scrollIntoView() {} };
-          }
-          showModal() { this.open = true; }
-        }
-
-        class FakeShadowRoot {
-          constructor() {
-            this.innerHTML = "";
-            this.dialog = new FakeElement("dialog");
-            this.input = new FakeElement("input");
-            this.results = new FakeElement("div");
-          }
-          querySelector(selector) {
-            if (selector == "dialog") return this.dialog;
-            if (selector == ".search-input") return this.input;
-            if (selector == ".results-container") return this.results;
-            return new FakeElement();
-          }
-        }
-
-        global.HTMLElement = class {
-          constructor() {
-            this.attributes = {};
-          }
-          attachShadow() {
-            this.shadowRoot = new FakeShadowRoot();
-            return this.shadowRoot;
-          }
-          dispatchEvent() {}
-          getAttribute(name) {
-            return this.attributes[name] || null;
-          }
-          querySelector() {
-            return null;
-          }
-          setAttribute(name, value) {
-            this.attributes[name] = value;
-          }
-        };
-        global.CustomEvent = class {
-          constructor(name, options) {
-            this.name = name;
-            this.type = name;
-            this.detail = options ? options.detail : undefined;
-          }
-        };
-        global.customElements = {
-          registry: new Map(),
-          define(name, cls) {
-            this.registry.set(name, cls);
-          },
-        };
-        global.document = {
-          addEventListener(name, callback) {
-            documentListeners[name] = documentListeners[name] || [];
-            documentListeners[name].push(callback);
-          },
-          activeElement: null,
-          createElement(tagName) {
-            return new FakeElement(tagName);
-          },
-          dispatchEvent(event) {
-            for (const callback of documentListeners[event.type] || []) {
-              callback(event);
-            }
-          },
-          querySelectorAll() {
-            return [];
-          },
-        };
-        global.localStorage = {
-          getItem() { return null; },
-          setItem() {},
-          removeItem() {},
-        };
-        global.window = { datasetteVersion: "test", location: { href: "" } };
-
-        vm.runInThisContext(
-          fs.readFileSync(datasetteManagerJs, "utf8"),
-          { filename: "datasette-manager.js" }
-        );
-        for (const callback of documentListeners.DOMContentLoaded || []) {
-          callback();
-        }
-        window.__DATASETTE__.registerPlugin("agent", {
-          version: "0.1",
-          makeJumpSections() {
-            return [
-              {
-                id: "agent-chat",
-                render(node, context) {
-                  if (!context.navigationSearch) {
-                    throw new Error("Expected navigationSearch in render context");
-                  }
-                  node.innerHTML = [
-                    '<section class="agent-jump-start">',
-                    '<button>Start a new agent chat</button>',
-                    '</section>',
-                  ].join('');
-                },
-              },
-            ];
-          },
-        });
-
-        vm.runInThisContext(
-          fs.readFileSync(navigationSearchJs, "utf8"),
-          { filename: "navigation-search.js" }
-        );
-
-        const Component = customElements.registry.get("navigation-search");
-        const element = new Component();
-        element.shadowRoot.input.value = "";
-        element.renderResults();
-
-        const html = element.shadowRoot.results.innerHTML;
-        if (!html.includes("Start a new agent chat")) {
-          throw new Error(`Missing jump section content: ${html}`);
-        }
-        process.stdout.write("ok");
-        """)
-        .replace(
-            "__DATASETTE_MANAGER_JS__",
-            json.dumps(str(STATIC_DIR / "datasette-manager.js")),
-        )
-        .replace(
-            "__NAVIGATION_SEARCH_JS__",
-            json.dumps(str(STATIC_DIR / "navigation-search.js")),
-        )
-    )
-    result = subprocess.run(
-        ["node", "-e", script],
-        cwd=REPO_ROOT,
-        text=True,
-        capture_output=True,
-        check=False,
-    )
-    assert result.returncode == 0, result.stderr
-    assert result.stdout.endswith("ok")
diff --git a/tests/test_playwright.py b/tests/test_playwright.py
index 726536d9..caea8b16 100644
--- a/tests/test_playwright.py
+++ b/tests/test_playwright.py
@@ -145,3 +145,41 @@ def test_navigation_search_tracks_and_renders_recent_items(page, datasette_serve
     assert "Clear recent" in result["html"]
     assert result["clearedValue"] is None
     assert "Clear recent" not in result["htmlAfterClear"]
+
+
+@pytest.mark.playwright
+def test_navigation_search_renders_jump_sections_from_javascript_plugins(
+    page, datasette_server
+):
+    page.goto(datasette_server)
+    html = page.evaluate("""
+    async () => {
+      await customElements.whenDefined("navigation-search");
+      window.__DATASETTE__.registerPlugin("agent", {
+        version: "0.1",
+        makeJumpSections() {
+          return [
+            {
+              id: "agent-chat",
+              render(node, context) {
+                if (!context.navigationSearch) {
+                  throw new Error("Expected navigationSearch in render context");
+                }
+                node.innerHTML = [
+                  '<section class="agent-jump-start">',
+                  '<button>Start a new agent chat</button>',
+                  '</section>',
+                ].join("");
+              },
+            },
+          ];
+        },
+      });
+
+      const element = document.querySelector("navigation-search");
+      element.shadowRoot.querySelector(".search-input").value = "";
+      element.renderResults();
+      return element.shadowRoot.querySelector(".results-container").innerHTML;
+    }
+    """)
+    assert "Start a new agent chat" in html