Replace app.js with webpack-dev-server (#5797)

e2e/README.md

@@ -151,7 +151,7 @@ Current list of test tags:
 
 - `@ipad` - Test case or test suite is compatible with Playwright's iPad support and Open MCT's read-only mobile view (i.e. no Create button).
 - `@gds` - Denotes a GDS Test Case used in the VIPER Mission.
-- `@addInit` - Initializes the browser with an injected and artificial state. Useful for loading non-default plugins. Likely will not work outside of app.js.
+- `@addInit` - Initializes the browser with an injected and artificial state. Useful for loading non-default plugins. Likely will not work outside of `npm start`.
 - `@localStorage` - Captures or generates session storage to manipulate browser state. Useful for excluding in tests which require a persistent backend (i.e. CouchDB).
 - `@snapshot` - Uses Playwright's snapshot functionality to record a copy of the DOM for direct comparison. Must be run inside of the playwright container.
 - `@unstable` - A new test or test which is known to be flaky.

e2e/playwright-ci.config.js

@@ -14,7 +14,7 @@ const config = {
     testIgnore: '**/*.perf.spec.js', //Ignore performance tests and define in playwright-perfromance.config.js
     timeout: 60 * 1000,
     webServer: {
-        command: 'cross-env NODE_ENV=test npm run start',
+        command: 'npm run start:coverage',
         url: 'http://localhost:8080/#',
         timeout: 200 * 1000,
         reuseExistingServer: false

e2e/playwright-local.config.js

@@ -12,10 +12,7 @@ const config = {
     testIgnore: '**/*.perf.spec.js',
     timeout: 30 * 1000,
     webServer: {
-        env: {
-            NODE_ENV: 'test'
-        },
-        command: 'npm run start',
+        command: 'npm run start:coverage',
         url: 'http://localhost:8080/#',
         timeout: 120 * 1000,
         reuseExistingServer: true

e2e/playwright-performance.config.js

@@ -6,12 +6,12 @@ const CI = process.env.CI === 'true';
 
 /** @type {import('@playwright/test').PlaywrightTestConfig} */
 const config = {
-    retries: 1, //Only for debugging purposes because trace is enabled only on first retry
+    retries: 1, //Only for debugging purposes for trace: 'on-first-retry'
     testDir: 'tests/performance/',
     timeout: 60 * 1000,
     workers: 1, //Only run in serial with 1 worker
     webServer: {
-        command: 'cross-env NODE_ENV=test npm run start',
+        command: 'npm run start', //coverage not generated
         url: 'http://localhost:8080/#',
         timeout: 200 * 1000,
         reuseExistingServer: !CI

e2e/playwright-visual.config.js

@@ -4,13 +4,13 @@
 
 /** @type {import('@playwright/test').PlaywrightTestConfig<{ theme: string }>} */
 const config = {
-    retries: 1, // visual tests should never retry due to snapshot comparison errors. Leaving as a shim
+    retries: 0, // Visual tests should never retry due to snapshot comparison errors. Leaving as a shim
     testDir: 'tests/visual',
     testMatch: '**/*.visual.spec.js', // only run visual tests
     timeout: 60 * 1000,
     workers: 1, //Lower stress on Circle CI Agent for Visual tests https://github.com/percy/cli/discussions/1067
     webServer: {
-        command: 'cross-env NODE_ENV=test npm run start',
+        command: 'npm run start:coverage',
         url: 'http://localhost:8080/#',
         timeout: 200 * 1000,
         reuseExistingServer: !process.env.CI
@@ -31,7 +31,7 @@ const config = {
             }
         },
         {
-            name: 'chrome-snow-theme',
+            name: 'chrome-snow-theme', //Runs the same visual tests but with snow-theme enabled
             use: {
                 browserName: 'chromium',
                 theme: 'snow'

e2e/tests/framework/baseFixtures.e2e.spec.js

@@ -23,7 +23,7 @@
 /*
 This test suite is dedicated to testing our use of the playwright framework as it
 relates to how we've extended it (i.e. ./e2e/baseFixtures.js) and assumptions made in our dev environment
-(app.js and ./e2e/webpack-dev-middleware.js)
+(`npm start` and ./e2e/webpack-dev-middleware.js)
 */
 
 const { test } = require('../../baseFixtures.js');

e2e/tests/visual/controlledClock.visual.spec.js

@@ -22,7 +22,7 @@
 
 /*
 Collection of Visual Tests set to run in a default context. The tests within this suite
-are only meant to run against openmct's app.js started by `npm run start` within the
+are only meant to run against openmct started by `npm start` within the
 `./e2e/playwright-visual.config.js` file.
 
 */

e2e/tests/visual/default.visual.spec.js

@@ -22,7 +22,7 @@
 
 /*
 Collection of Visual Tests set to run in a default context. The tests within this suite
-are only meant to run against openmct's app.js started by `npm run start` within the
+are only meant to run against openmct started by `npm start` within the
 `./e2e/playwright-visual.config.js` file.
 
 These should only use functional expect statements to verify assumptions about the state