Update README.md

Signed-off-by: Glenn Jocher <[email protected]>

tests/README.md

@@ -3,7 +3,7 @@
 
 # Tests Directory (`tests/`)
 
-This directory houses the tests for our project, primarily using pytest for testing.
+This directory houses the tests for our project, providing two options for running tests: using **pytest** or **unittest**.
 
 ## Overview
 
@@ -13,9 +13,28 @@ This directory houses the tests for our project, primarily using pytest for test
 
 ## Running Tests
 
-To execute the tests:
+### Option 1: Using `pytest` (Recommended)
 
-1. **Install pytest:** Ensure pytest is installed in your environment.
-2. **Run Tests:** Execute `pytest` in the root directory of the project.
+1. **Install pytest:**
+   ```bash
+   pip install pytest
+   ```
+2. **Run Tests:**
+   ```bash
+   python -m pytest tests -v
+   ```
+
+### Option 2: Using `unittest` (No Additional Dependencies)
+
+If you'd prefer to avoid external dependencies, you can use Python's built-in `unittest` framework:
+
+1. **Run Tests:**
+   ```bash
+   python -m unittest discover tests -v
+   ```
+
+### Notes
+- `pytest` offers more advanced features and better readability, making it the recommended choice.
+- `unittest` is built into Python and eliminates the need for additional installations, providing a lightweight alternative.
 
 Make sure to regularly run tests to maintain the reliability and quality of the project.