[lighthouse] Remove lighthouse-emulate-run.js web test

This CL moves the expectations to e2e tests.

Bug: 1331155
Change-Id: I80f8653c26b1404e73913bd7b54cba83b05ca152
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3925371
Commit-Queue: Adam Raine <asraine@chromium.org>
Reviewed-by: Paul Irish <paulirish@chromium.org>
diff --git a/test/e2e/lighthouse/navigation_test.ts b/test/e2e/lighthouse/navigation_test.ts
index 0900440..4ba39ca 100644
--- a/test/e2e/lighthouse/navigation_test.ts
+++ b/test/e2e/lighthouse/navigation_test.ts
@@ -52,36 +52,42 @@
 
         assert.strictEqual(lhr.lighthouseVersion, '9.6.6');
         assert.match(lhr.finalUrl, /^https:\/\/localhost:[0-9]+\/test\/e2e\/resources\/lighthouse\/hello.html/);
+
         assert.strictEqual(lhr.configSettings.throttlingMethod, 'simulate');
         assert.strictEqual(lhr.configSettings.disableStorageReset, false);
         assert.strictEqual(lhr.configSettings.formFactor, 'mobile');
+        assert.strictEqual(lhr.configSettings.throttling.rttMs, 150);
+        assert.strictEqual(lhr.configSettings.screenEmulation.disabled, true);
+        assert.include(lhr.configSettings.emulatedUserAgent, 'Mobile');
 
-        const {innerWidth, innerHeight, outerWidth, outerHeight, devicePixelRatio} = artifacts.ViewportDimensions;
-        // This value can vary slightly, depending on the display.
-        // https://bugs.chromium.org/p/chromium/issues/detail?id=1346355
-        assert.approximately(innerHeight, 1742, 1);
-        assert.strictEqual(innerWidth, 980);
-        assert.strictEqual(outerWidth, 360);
-        assert.strictEqual(outerHeight, 640);
-        assert.strictEqual(devicePixelRatio, 3);
+        // A bug in FR caused `networkUserAgent` to be excluded from the LHR.
+        // https://github.com/GoogleChrome/lighthouse/pull/14392
+        // TODO: Reenable once the fix lands in DT.
+        if (mode === 'legacy') {
+          assert.include(lhr.environment.networkUserAgent, 'Mobile');
+        }
+
+        assert.deepStrictEqual(artifacts.ViewportDimensions, {
+          innerHeight: 640,
+          innerWidth: 360,
+          outerHeight: 640,
+          outerWidth: 360,
+          devicePixelRatio: 3,
+        });
 
         const {auditResults, erroredAudits, failedAudits} = getAuditsBreakdown(lhr);
         assert.strictEqual(auditResults.length, 152);
         assert.strictEqual(erroredAudits.length, 0);
         assert.deepStrictEqual(failedAudits.map(audit => audit.id), [
           'service-worker',
-          'viewport',
           'installable-manifest',
           'apple-touch-icon',
           'splash-screen',
           'themed-omnibox',
           'maskable-icon',
-          'content-width',
           'document-title',
           'html-has-lang',
           'meta-description',
-          'font-size',
-          'tap-targets',
         ]);
 
         const viewTraceText = await reportEl.$eval('.lh-button--trace', viewTraceEl => {
@@ -113,18 +119,14 @@
         assert.strictEqual(erroredAudits.length, 0);
         assert.deepStrictEqual(failedAudits.map(audit => audit.id), [
           'service-worker',
-          'viewport',
           'installable-manifest',
           'apple-touch-icon',
           'splash-screen',
           'themed-omnibox',
           'maskable-icon',
-          'content-width',
           'document-title',
           'html-has-lang',
           'meta-description',
-          'font-size',
-          'tap-targets',
         ]);
 
         const viewTraceText = await reportEl.$eval('.lh-button--trace', viewTraceEl => {
@@ -158,6 +160,16 @@
         assert.deepStrictEqual(Object.keys(lhr.categories), ['performance', 'best-practices']);
         assert.strictEqual(lhr.configSettings.disableStorageReset, true);
         assert.strictEqual(lhr.configSettings.formFactor, 'desktop');
+        assert.strictEqual(lhr.configSettings.throttling.rttMs, 40);
+        assert.strictEqual(lhr.configSettings.screenEmulation.disabled, true);
+        assert.notInclude(lhr.configSettings.emulatedUserAgent, 'Mobile');
+
+        // A bug in FR caused `networkUserAgent` to be excluded from the LHR.
+        // https://github.com/GoogleChrome/lighthouse/pull/14392
+        // TODO: Reenable once the fix lands in DT.
+        if (mode === 'legacy') {
+          assert.notInclude(lhr.environment.networkUserAgent, 'Mobile');
+        }
 
         const viewTraceText = await reportEl.$eval('.lh-button--trace', viewTraceEl => {
           return viewTraceEl.textContent;
diff --git a/test/e2e/lighthouse/snapshot_test.ts b/test/e2e/lighthouse/snapshot_test.ts
index a0df209..a1c2d07 100644
--- a/test/e2e/lighthouse/snapshot_test.ts
+++ b/test/e2e/lighthouse/snapshot_test.ts
@@ -52,25 +52,22 @@
 
     assert.strictEqual(lhr.gatherMode, 'snapshot');
 
-    const {innerWidth, innerHeight, outerWidth, outerHeight, devicePixelRatio} = artifacts.ViewportDimensions;
-    // This value can vary slightly, depending on the display.
-    // https://bugs.chromium.org/p/chromium/issues/detail?id=1346355
-    assert.approximately(innerHeight, 1742, 1);
-    assert.strictEqual(innerWidth, 980);
-    assert.strictEqual(outerWidth, 360);
-    assert.strictEqual(outerHeight, 640);
-    assert.strictEqual(devicePixelRatio, 3);
+    assert.deepStrictEqual(artifacts.ViewportDimensions, {
+      innerHeight: 640,
+      innerWidth: 360,
+      outerHeight: 640,
+      outerWidth: 360,
+      devicePixelRatio: 3,
+    });
 
     const {auditResults, erroredAudits, failedAudits} = getAuditsBreakdown(lhr);
     assert.strictEqual(auditResults.length, 73);
     assert.strictEqual(erroredAudits.length, 0);
     assert.deepStrictEqual(failedAudits.map(audit => audit.id), [
-      'viewport',
       'document-title',
       'html-has-lang',
       'label',
       'meta-description',
-      'font-size',
       'tap-targets',
     ]);
 
diff --git a/test/e2e/resources/lighthouse/hello.html b/test/e2e/resources/lighthouse/hello.html
index 4d3fd4e..00bb6f1 100644
--- a/test/e2e/resources/lighthouse/hello.html
+++ b/test/e2e/resources/lighthouse/hello.html
@@ -2,6 +2,7 @@
 <head>
   <meta charset="UTF-8">
   <link rel="stylesheet" href="basic.css">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
 </head>
 <body>
   <h1>Hello</h1>
diff --git a/test/webtests/http/tests/devtools/lighthouse/lighthouse-emulate-run-expected.txt b/test/webtests/http/tests/devtools/lighthouse/lighthouse-emulate-run-expected.txt
deleted file mode 100644
index 3ab68b5..0000000
--- a/test/webtests/http/tests/devtools/lighthouse/lighthouse-emulate-run-expected.txt
+++ /dev/null
@@ -1,34 +0,0 @@
-Tests that mobile emulation works.
-
-
-========== Lighthouse Start Audit State ==========
-[x] Performance
-[x] Accessibility
-[x] Best practices
-[x] SEO
-[x] Progressive Web App
-[ ] Publisher Ads
-[x] Legacy navigation
-[x] Clear storage
-Throttling method: simulate
-Analyze page load: enabled visible
-
-=============== Lighthouse Results ===============
-URL: http://127.0.0.1:8000/devtools/lighthouse/resources/lighthouse-emulate-pass.html
-Version: 9.6.6
-formFactor: mobile
-screenEmulation: {
-  "mobile": true,
-  "width": 360,
-  "height": 640,
-  "deviceScaleFactor": 2.625,
-  "disabled": true
-}
-Mobile network UA?: true
-Mobile configured UA?: true
-throttlingMethod: simulate
-throttling.rttMs: 150
-
-
-content-width: pass undefined
-
diff --git a/test/webtests/http/tests/devtools/lighthouse/lighthouse-emulate-run.js b/test/webtests/http/tests/devtools/lighthouse/lighthouse-emulate-run.js
deleted file mode 100644
index 16c095b..0000000
--- a/test/webtests/http/tests/devtools/lighthouse/lighthouse-emulate-run.js
+++ /dev/null
@@ -1,38 +0,0 @@
-// Copyright 2019 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-(async function() {
-  TestRunner.addResult('Tests that mobile emulation works.\n');
-  await TestRunner.navigatePromise('resources/lighthouse-emulate-pass.html');
-
-  await TestRunner.loadTestModule('lighthouse_test_runner');
-  await TestRunner.showPanel('lighthouse');
-
-  LighthouseTestRunner.dumpStartAuditState();
-  LighthouseTestRunner.getRunButton().click();
-  const {lhr} = await LighthouseTestRunner.waitForResults();
-
-  TestRunner.addResult('\n=============== Lighthouse Results ===============');
-  TestRunner.addResult(`URL: ${lhr.finalUrl}`);
-  TestRunner.addResult(`Version: ${lhr.lighthouseVersion}`);
-  TestRunner.addResult(`formFactor: ${lhr.configSettings.formFactor}`);
-  TestRunner.addResult(`screenEmulation: ${JSON.stringify(lhr.configSettings.screenEmulation, null, 2)}`);
-  TestRunner.addResult(`Mobile network UA?: ${lhr.environment.networkUserAgent.includes('Mobile')}`);
-  TestRunner.addResult(`Mobile configured UA?: ${lhr.configSettings.emulatedUserAgent.includes('Mobile')}`);
-  TestRunner.addResult(`throttlingMethod: ${lhr.configSettings.throttlingMethod}`);
-  TestRunner.addResult(`throttling.rttMs: ${lhr.configSettings.throttling.rttMs}`);
-  TestRunner.addResult('\n');
-
-  const auditName = 'content-width';
-  const audit = lhr.audits[auditName];
-  if (audit.scoreDisplayMode === 'error') {
-    TestRunner.addResult(`${auditName}: ERROR ${audit.errorMessage}`);
-  } else if (audit.scoreDisplayMode === 'binary') {
-    TestRunner.addResult(`${auditName}: ${audit.score ? 'pass' : 'fail'} ${audit.explanation}`);
-  } else {
-    TestRunner.addResult(`${auditName}: ${audit.scoreDisplayMode}`);
-  }
-
-  TestRunner.completeTest();
-})();