Make navigate e2e test stable

e2e/navigate.test.js

@@ -71,16 +71,25 @@ describe("navigate test", () => {
     http.close();
   });
 
+  beforeEach(async() => {
+    let tabs = await browser.tabs.query({});
+    for (let tab of tabs.slice(1)) {
+      await browser.tabs.remove(tab.id);
+    }
+  })
+
   it('should go to parent path without hash by gu', async () => {
     await session.navigateTo(`http://127.0.0.1:${port}/a/b/c`);
     let body = await session.findElementByCSS('body');
 
     await body.sendKeys('g', 'u');
 
+    await eventually(async() => {
       let tab = (await browser.tabs.query({}))[0];
       let url = new URL(tab.url);
       assert.equal(url.pathname, `/a/b/`)
     });
+  });
 
   it('should remove hash by gu', async () => {
     await session.navigateTo(`http://127.0.0.1:${port}/a/b/c#hash`);
@@ -88,11 +97,13 @@ describe("navigate test", () => {
 
     await body.sendKeys('g', 'u');
 
+    await eventually(async() => {
       let tab = (await browser.tabs.query({}))[0];
       let url = new URL(tab.url);
       assert.equal(url.hash, '')
       assert.equal(url.pathname, `/a/b/c`)
     });
+  });
 
   it('should go to root path by gU', async () => {
     await session.navigateTo(`http://127.0.0.1:${port}/a/b/c#hash`);