Cypress: write logs to file (#11712)

... in an attempt to make the github actions output easier to grok

.github/workflows/cypress.yaml

@@ -224,13 +224,14 @@ jobs:
                       matrix-react-sdk/cypress/screenshots
                       matrix-react-sdk/cypress/videos
                       matrix-react-sdk/cypress/synapselogs
+                      matrix-react-sdk/cypress/results/cypresslogs
 
             - name: Upload reports
               if: always()
               uses: actions/upload-artifact@v3
               with:
                   name: cypress-junit
-                  path: matrix-react-sdk/cypress/results
+                  path: matrix-react-sdk/cypress/results/junit
 
     report:
         name: Report results

.gitignore

@@ -25,6 +25,8 @@ package-lock.json
 /cypress/screenshots
 /cypress/synapselogs
 /cypress/dendritelogs
+/cypress/results
+
 # These could have files in them but don't currently
 # Cypress will still auto-create them though...
 /cypress/performance

cypress-ci-reporter-config.json

@@ -1,7 +1,7 @@
 {
     "reporterEnabled": "spec, mocha-junit-reporter",
     "mochaJunitReporterReporterOptions": {
-        "mochaFile": "cypress/results/results-[hash].xml",
+        "mochaFile": "cypress/results/junit/results-[hash].xml",
         "useFullSuiteTitle": true
     }
 }

cypress/plugins/index.ts

@@ -50,6 +50,15 @@ export default function (on: PluginEvents, config: PluginConfigOptions) {
         config,
     );
     installLogsPrinter(on, {
-        // printLogsToConsole: "always",
+        printLogsToConsole: "never",
+
+        // write logs to cypress/results/cypresslogs/<spec>.txt
+        outputRoot: "cypress/results",
+        outputTarget: {
+            "cypresslogs|txt": "txt",
+        },
+
+        // strip 'cypress/e2e' from log filenames
+        specRoot: "cypress/e2e",
     });
 }