[E2E] Fix grep spec filtering (#26387)

* [E2E] Fix grep spec filtering

* Add undocumented `grepIntegrationFolder`

.github/workflows/e2e-tests.yml

@@ -147,7 +147,7 @@ jobs:
       if: matrix.edition == 'oss'
       run: |
         yarn run test-cypress-run \
-        --env grepTags=@OSS,grepFilterSpecs=true \
+        --env grepTags=@OSS \
         --spec './frontend/test/metabase/scenarios/**/*.cy.spec.js'
       env:
         TERM: xterm

frontend/test/__support__/e2e/config.js

@@ -33,8 +33,6 @@ const defaultConfig = {
 
     // `on` is used to hook into various events Cypress emits
     // `config` is the resolved Cypress config
-    require("@cypress/grep/src/plugin")(config);
-
     /********************************************************************
      **                        PREPROCESSOR                            **
      ********************************************************************/
@@ -72,12 +70,19 @@ const defaultConfig = {
         "frontend/test/snapshot-creators/qa-db.cy.snap.js";
     }
 
+    // `grepIntegrationFolder` needs to point to the root!
+    // See: https://github.com/cypress-io/cypress/issues/24452#issuecomment-1295377775
+    config.env.grepIntegrationFolder = "../../../../";
+    config.env.grepFilterSpecs = true;
+
     config.env.HAS_ENTERPRISE_TOKEN = hasEnterpriseToken;
     config.env.HAS_SNOWPLOW_MICRO = hasSnowplowMicro;
     config.env.SNOWPLOW_MICRO_URL = snowplowMicroUrl;
     config.env.SOURCE_VERSION = sourceVersion;
     config.env.TARGET_VERSION = targetVersion;
 
+    require("@cypress/grep/src/plugin")(config);
+
     return config;
   },
   supportFile: "frontend/test/__support__/e2e/cypress.js",