add apiURL paramter to higher order function in order to run tests using a valid test API url and

update README.md

Author: JacobGrisham

README.md

@@ -48,6 +48,8 @@
 -   Security to prevent certain transactions using error codes 400-404
 -   Create, Read, and Update for stocks
 
+## 📐 Tests
+
 ## 🚀 Getting Started
 ### To run this project on your system:
 -   In your terminal, navigate to the root project directory and run the following commands
@@ -116,8 +118,6 @@ CREATE TABLE sold (
 )
 ```
 
-## 📐 Tests
-
 ## 📣 Attribution
 -   Stock prices pulled from [IEX Stock Quote API](https://iexcloud.io/docs/api/#quote)
 -   Feather icon made by [Freepik](http://www.freepik.com/) from [Flaticon](https://www.flaticon.com/free-icon/feather_105145?term=feather&page=1&position=85&related_item_id=105145)