def METHOD_NAME(self):
    organization = self.create_organization(owner=self.user)
    integration = self.create_slack_integration(organization, "TXXXXXXX2")
    self.set_setting(ExternalProviders.EMAIL, NotificationSettingOptionValues.NEVER)
    self.set_setting(ExternalProviders.SLACK, NotificationSettingOptionValues.ALWAYS)
    self.uninstall()
    # No changes to second organization.
    assert Integration.objects.filter(id=integration.id).exists()
    assert OrganizationIntegration.objects.filter(
        integration=integration, organization_id=organization.id
    ).exists()
    self.assert_settings(ExternalProviders.EMAIL, NotificationSettingOptionValues.NEVER)
    self.assert_settings(ExternalProviders.SLACK, NotificationSettingOptionValues.ALWAYS)