tsk-33: Tweak get schedule message event endpoint (#37)

Closes #33

Reviewed-on: phoenix/textsender-api#37
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

internal/handler/scheduled_message_event_test.go

@@ -2,6 +2,7 @@ package handler
 
 import (
 	"encoding/json"
+	"fmt"
 	"net/http"
 	"net/http/httptest"
 	"strings"
@@ -113,8 +114,9 @@ func TestGetScheduledMessageEventWithMock(t *testing.T) {
 		assert.NoError(t, err, "Error creating scheduled message event: %v", err)
 	}
 
-	endpointValue := strings.Replace(endpoint.GetScheduledMessageEventEndpoint, "{id}", event.Id.String(), 1)
-	req, _ := http.NewRequest("GET", endpointValue, nil)
+	url := fmt.Sprintf("%s?id=%s", endpoint.GetScheduledMessageEventEndpoint, event.Id.String())
+	fmt.Println("Url:", url)
+	req, _ := http.NewRequest("GET", url, nil)
 	rr := httptest.NewRecorder()
 
 	handler.GetScheduledMessageEvent(rr, req)