The idea is similar to "golden" files, or snapshot testing. Rather than awkwardly maintaining strings within a test file, the approval tool can compare the output for you with an "approved" file you created. You then simply copy over the new version if you approve it. Re-run the test and you're back to green.

Add a dependency to`"github.com/approvals/go-approval-tests"` to your project and edit the test to the following

Add a dependency to`"github.com/approvals/go-approval-tests"`(with the command`go get github.com/approvals/go-approval-tests`)to your project and edit the test to the following

funcTestRender(t *testing.T) {