feat: make the request test helper public

internal/pkg/test/request.go

@@ -0,0 +1,27 @@
+package test
+
+import (
+	"io"
+	"net/http"
+	"net/http/httptest"
+)
+
+type Header struct {
+	Key   string
+	Value string
+}
+
+func PerformRequest(
+	r http.Handler,
+	method, path string,
+	body io.Reader,
+	headers ...Header,
+) *httptest.ResponseRecorder {
+	req := httptest.NewRequest(method, path, body)
+	for _, h := range headers {
+		req.Header.Add(h.Key, h.Value)
+	}
+	w := httptest.NewRecorder()
+	r.ServeHTTP(w, req)
+	return w
+}