OpenSearch/x-pack/plugin/security/qa/build.gradle

import org.elasticsearch.gradle.test.RestIntegTestTask

subprojects {
  project.tasks.withType(RestIntegTestTask) {
    final File xPackResources = new File(xpackProject('plugin').projectDir, 'src/test/resources')
    project.copyRestSpec.from(xPackResources) {
      include 'rest-api-spec/api/**'
    }
  }
}