diff --git a/solidity/unit_testing.md b/solidity/unit_testing.md
index fdf7284..9f3c2a4 100644
--- a/solidity/unit_testing.md
+++ b/solidity/unit_testing.md
@@ -1,5 +1,16 @@
 ## Basic Unit testing
 
+<br>
+
+Functions in a test file to make testing more structural:
+
+* `beforeEach()` - Runs before each test
+* `beforeAll()` - Runs before all tests
+* `afterEach()` - Runs after each test
+* `afterAll()` - Runs after all tests
+
+<br>
+
 A generic unit testing file looks like: