t.Fatalf("Unexpected err: %#v", errP)
		}
		rec = httptest.NewRecorder()
		apiRouter.ServeHTTP(rec, reqC)
		checkRespErr(rec, http.StatusOK)
	}
}

// unzip a file into a specific target dir - used to unzip sample data in cmd/testdata/
func unzipArchive(zipFilePath, targetDir string) error {
	zipReader, err := zip.OpenReader(zipFilePath)
	if err != nil {
		return err
	}

		// created by Go, before we wrote the "optional" data
		// descriptor signatures (which are required by macOS).
		// Use obscured file to avoid Apple’s notarization service
		// rejecting the toolchain due to an inability to unzip this archive.
		// See golang.org/issue/34986
		Name:     "go-no-datadesc-sig.zip.base64",
		Obscured: true,
		File: []ZipTestFile{
			{
				Name:     "foo.txt",
				Content:  []byte("foo\n"),