Add command to run performance tests in debug mode (#48614)

package.json

@@ -299,11 +299,12 @@
 		"test": "npm-run-all lint test:unit",
 		"test:create-block": "bash ./bin/test-create-block.sh",
 		"test:e2e": "wp-scripts test-e2e --config packages/e2e-tests/jest.config.js",
-		"test:e2e:debug": "wp-scripts --inspect-brk test-e2e --config packages/e2e-tests/jest.config.js --puppeteer-devtools",
+		"test:e2e:debug": "wp-scripts --inspect-brk test-e2e  --runInBand --no-cache --verbose --config packages/e2e-tests/jest.config.js --puppeteer-devtools",
 		"test:e2e:playwright": "playwright test --config test/e2e/playwright.config.ts",
 		"test:e2e:storybook": "playwright test --config test/storybook-playwright/playwright.config.ts",
 		"test:e2e:watch": "npm run test:e2e -- --watch",
 		"test:performance": "wp-scripts test-e2e --config packages/e2e-tests/jest.performance.config.js",
+		"test:performance:debug": "wp-scripts --inspect-brk test-e2e --runInBand --no-cache --verbose --config packages/e2e-tests/jest.performance.config.js --puppeteer-devtools",
 		"test:php": "npm-run-all lint:php test:unit:php",
 		"test:php:watch": "wp-env run composer run-script test:watch",
 		"test:unit": "wp-scripts test-unit-js --config test/unit/jest.config.js",

packages/scripts/scripts/test-e2e.js

@@ -51,6 +51,7 @@ const config = configFile
 	? [ '--config', JSON.stringify( require( configFile ) ) ]
 	: [];
 
+// Force e2e tests to run serially, not in parallel. They test against a shared Docker instance
 const hasRunInBand = hasArgInCLI( '--runInBand' ) || hasArgInCLI( '-i' );
 const runInBand = ! hasRunInBand ? [ '--runInBand' ] : [];