Make playwright:snapshots:ubuntu fail on mismatching image snapshots (#6322)

* pierremtb/adhoc/playwright-should-fail-on-mismatching-image-snapshots

* Add network-toggle to masks

* Add network masks

* :oops: tangentialArc snapshot update

* Update snaps

* Cleaner constants for masks

* Update snaps

* Clean up, updated README

e2e/playwright/test-utils.ts

@@ -29,6 +29,17 @@ const toNormalizedCode = (text: string) => {
   return text.replace(/\s+/g, '')
 }
 
+export const headerMasks = (page: Page) => [
+  page.locator('#app-header'),
+  page.locator('#sidebar-top-ribbon'),
+  page.locator('#sidebar-bottom-ribbon'),
+]
+
+export const networkingMasks = (page: Page) => [
+  page.getByTestId('model-state-indicator'),
+  page.getByTestId('network-toggle'),
+]
+
 export type TestColor = [number, number, number]
 export const TEST_COLORS: { [key: string]: TestColor } = {
   WHITE: [249, 249, 249],