verify successful database interactions with test endpoint

internal/api/routes.go

@@ -2,6 +2,7 @@ package api
 
 import (
 	"net/http"
+	"time"
 
 	"vegan-barcode/internal/database"
 	"vegan-barcode/internal/utils"
@@ -46,6 +47,12 @@ func BindRoutes() {
 func (s *ApiService) runTest(c *gin.Context) {
 	queryParam := c.Param("id")
 	log.Debug("Test was successful.")
+
+	err := s.db.Insert(c, database.ProductsTable, &database.Product{System: "upc", Barcode: "fubar", Created_at: time.Now()})
+	if err != nil {
+		// TODO: Figure out correct status code.
+		c.JSON(http.StatusInternalServerError, gin.H{"message": "Failed to insert item to product table", "error": err.Error()})
+	}
 	c.JSON(http.StatusOK, gin.H{"message": "Hello World!", "query_param": queryParam})
 }