added unit tests

README.md

@@ -26,7 +26,7 @@ Intrasys is an internal financial transfers application built with Rust and Axum
 
 ### 1. Provision PostgreSQL Database
 
-Run a PostgreSQL container with Docker:
+The easiest way is to run a PostgreSQL container with Docker:
 
 ```bash
 docker run --name intrasys-pg -d -e POSTGRES_PASSWORD=password -p 127.0.0.1:5432:5432 postgres:alpine
@@ -101,14 +101,6 @@ The application will be available at `http://localhost:3000`
    sqlx migrate run
    ```
 
-## Testing
-
-Run the test suite with:
-
-```bash
-cargo test
-```
-
 ## Assumptions
 
 - All accounts use the same currency