diff --git a/API/tests/Feature/GroceryItemControllerTest.php b/API/tests/Feature/GroceryItemControllerTest.php
index ccac5d4..c3b5b91 100644
--- a/API/tests/Feature/GroceryItemControllerTest.php
+++ b/API/tests/Feature/GroceryItemControllerTest.php
@@ -12,7 +12,7 @@ class GroceryItemControllerTest extends TestCase
 {
     use RefreshDatabase;
 
-    public function testStoreGroceryItem()
+    public function test_store_validGroceryItem_savesItemToDatabase()
     {
         $user = User::factory()->create();
         $shoppingList = ShoppingList::factory()->create(['user_id' => $user->user_id]);
@@ -35,7 +35,7 @@ public function testStoreGroceryItem()
         ]);
     }
 
-    public function testStoreGroceryItemUnauthorized()
+    public function test_store_unauthorizedUser_returns403Error()
     {
         $user = User::factory()->create();
         $otherUser = User::factory()->create();
@@ -51,7 +51,7 @@ public function testStoreGroceryItemUnauthorized()
             ->assertStatus(403);
     }
 
-    public function testShowGroceryItems()
+    public function test_show_validShoppingListId_returnsGroceryItems()
     {
         $user = User::factory()->create();
         $shoppingList = ShoppingList::factory()->create(['user_id' => $user->user_id]);
@@ -73,7 +73,7 @@ public function testShowGroceryItems()
         ]);
     }
 
-    public function testShowGroceryItemsUnauthorized()
+    public function test_show_unauthorizedUser_returns403Error()
     {
         $user = User::factory()->create();
         $otherUser = User::factory()->create();
@@ -84,7 +84,7 @@ public function testShowGroceryItemsUnauthorized()
             ->assertStatus(403);
     }
 
-    public function testUpdateGroceryItem()
+    public function test_update_validGroceryItem_savesItemToDatabase()
     {
         $user = User::factory()->create();
         $shoppingList = ShoppingList::factory()->create(['user_id' => $user->user_id]);
@@ -111,7 +111,7 @@ public function testUpdateGroceryItem()
         ]);
     }
 
-    public function testUpdateGroceryItemUnauthorized()
+    public function test_update_unauthorizedUser_returns403Error()
     {
         $user = User::factory()->create();
         $otherUser = User::factory()->create();
@@ -130,7 +130,7 @@ public function testUpdateGroceryItemUnauthorized()
             ->assertStatus(403);
     }
 
-    public function testDeleteGroceryItem()
+    public function test_delete_validGroceryItemId_deletesItemInDatabase()
     {
         $user = User::factory()->create();
         $shoppingList = ShoppingList::factory()->create(['user_id' => $user->user_id]);
@@ -144,7 +144,7 @@ public function testDeleteGroceryItem()
         $this->assertDatabaseMissing('grocery_items', ['item_id' => $groceryItem->item_id]);
     }
 
-    public function testDeleteGroceryItemUnauthorized()
+    public function test_delete_unauthorizedUser_returns403Error()
     {
         $user = User::factory()->create();
         $otherUser = User::factory()->create();
diff --git a/API/tests/Feature/ListPermissionsControllerTest.php b/API/tests/Feature/ListPermissionsControllerTest.php
index c3daec3..d47ca52 100644
--- a/API/tests/Feature/ListPermissionsControllerTest.php
+++ b/API/tests/Feature/ListPermissionsControllerTest.php
@@ -20,7 +20,7 @@ protected function setUp(): void
         parent::setUp();
     }
 
-    public function testCreateShareLink(): void
+    public function test_createShareLink_validListId_returnsNewShareLink(): void
     {
         $user = User::factory()->create();
         $list = ShoppingList::factory()->create([
@@ -49,7 +49,7 @@ public function testCreateShareLink(): void
         $this->assertNotNull($sharedLink->expires_at);
     }
 
-    public function testVerifyShareLinkValid(): void
+    public function test_verifyShareLinkAndSavePerms_validShareLink_savesPermissionsInDatabase(): void
     {
         $user = User::factory()->create();
         $otherUser = User::factory()->create();
@@ -76,7 +76,11 @@ public function testVerifyShareLinkValid(): void
         ]);
     }
 
-    public function testCreateShareLinkChainUnauthorized() {
+    /* Purpose: User A shares list with User B, but User B shouldn't be able to share with
+       another user because that isn't okay to User A (only User A should be able to create
+       share links for their lists since they own those lists)
+    */
+    public function test_createShareLink_sharedUserCannotCreateNewShareLink_returns403Error() {
         $user = User::factory()->create();
         $otherUser = User::factory()->create();
         $list = ShoppingList::factory()->create([
@@ -108,7 +112,7 @@ public function testCreateShareLinkChainUnauthorized() {
         ]);
     }
 
-    public function testVerifyShareLinkUpdateAllowedButNotDelete() {
+    public function test_verifyShareLinkAndSavePerms_updateAllowedButNotDelete_returns403ErrorForDeleteAttempt() {
         $user = User::factory()->create();
         $otherUser = User::factory()->create();
         $list = ShoppingList::factory()->create([
@@ -178,7 +182,7 @@ public function testVerifyShareLinkUpdateAllowedButNotDelete() {
         ]);
     }
 
-    public function testVerifyShareLinkDeleteAllowedButNotUpdate() {
+    public function test_verifyShareLinkAndSavePerms_deleteAllowedButNotUpdate_returns403ErrorForUpdateAttempt() {
         $user = User::factory()->create();
         $otherUser = User::factory()->create();
         $list = ShoppingList::factory()->create([
@@ -252,7 +256,7 @@ public function testVerifyShareLinkDeleteAllowedButNotUpdate() {
         ]);
     }
 
-    public function testUnauthorizedUserCannotCreateShareLink(): void
+    public function test_createShareLink_unauthorizedUser_returns403Error(): void
     {
         $owner = User::factory()->create();
         $unauthorizedUser = User::factory()->create();
diff --git a/API/tests/Feature/ShoppingListControllerTest.php b/API/tests/Feature/ShoppingListControllerTest.php
index ad1a00c..35c439e 100644
--- a/API/tests/Feature/ShoppingListControllerTest.php
+++ b/API/tests/Feature/ShoppingListControllerTest.php
@@ -15,7 +15,7 @@ class ShoppingListControllerTest extends TestCase
     // Runs our migrations to set up the in-memory database with all the proper tables
     use RefreshDatabase;
 
-    public function testCreateShoppingList()
+    public function test_create_validShoppingListTitle_savesShoppingListToDatabase()
     {
         // Create an authenticated user
         $user = User::factory()->create();
@@ -44,7 +44,7 @@ public function testCreateShoppingList()
     }
 
 
-    public function testGetUserShoppingLists()
+    public function test_getUserShoppingLists_userHasShoppingList_returnsOwnedShoppingLists()
     {
         // Create an authenticated user and a shopping list
         $user = User::factory()->create();
@@ -67,7 +67,7 @@ public function testGetUserShoppingLists()
         ]);
     }
 
-    public function testGetSpecificShoppingList()
+    public function test_get_validShoppingListId_returnsShoppingList()
     {
         // Create an authenticated user and a shopping list
         $user = User::factory()->create();
@@ -90,7 +90,7 @@ public function testGetSpecificShoppingList()
         ]);
     }
 
-    public function testGetSpecificShoppingListUnauthorized()
+    public function test_get_unauthorizedUser_returns403Error()
     {
         $user = User::factory()->create();
         $otherUser = User::factory()->create();
@@ -101,7 +101,7 @@ public function testGetSpecificShoppingListUnauthorized()
             ->assertStatus(403);
     }
 
-    public function testUpdateShoppingList()
+    public function test_update_validShoppingListId_updatesShoppingListInDatabase()
     {
         $user = User::factory()->create();
         $list = ShoppingList::factory()->create(['user_id' => $user->user_id, 'name' => 'foo']);
@@ -119,7 +119,7 @@ public function testUpdateShoppingList()
         ]);
     }
 
-    public function testUpdateShoppingListUnauthorized()
+    public function test_update_unauthorizedUser_returns403Error()
     {
         $user = User::factory()->create();
         $otherUser = User::factory()->create();
@@ -132,7 +132,7 @@ public function testUpdateShoppingListUnauthorized()
             ->assertStatus(403);
     }
 
-    public function testDeleteShoppingList()
+    public function test_delete_validShoppingListId_deletesShoppingListInDatabase()
     {
         // Create an authenticated user and a shopping list
         $user = User::factory()->create();
@@ -155,7 +155,7 @@ public function testDeleteShoppingList()
         ]);
     }
 
-    public function testDeleteShoppingListUnauthorized()
+    public function test_delete_unauthorizedUser_returns403Error()
     {
         $user = User::factory()->create();
         $otherUser = User::factory()->create();