fix: make plugin tests run with integration test suites (#1101)

* fix: make plugin tests run with integration test suites"

* add: plugins to test pipeline

* add: run integration tests on different jobs + fix failing test command

* fix: typo

* fix: pipeline

integration-tests/plugins/jest.config.js

@@ -1,7 +1,9 @@
-// API
+process.chdir(__dirname)
 
 module.exports = {
+  name: "Plugins",
   testEnvironment: `node`,
+  rootDir: "./",
   testPathIgnorePatterns: [
     `/examples/`,
     `/www/`,