update readme with tests

README.md

@@ -15,7 +15,9 @@
 - `contracts`: Folder for storing all Solidity contracts
   - `common`: Common standard contracts
   - `status`: Status specific contracts
-    - `sticker-market`: **Main focus contracts**
+    - `sticker-market`: Sticker Market specific contracts
+      - `StickerMarket.sol`: **Main Sticker Market Logic here**
+      - `StickerMarketMigrated.sol`: Example of upgrade logic and a contract that controls the old `StickerMarket.sol`.
   - `token`: Standard token contracts
 - `doc`
   - `project_questions.md`: file answering a list of questions around project status
@@ -35,3 +37,27 @@ npm start
 | -------------------------------------- | ------ | ---- | --- |
 | token/TestToken                        | Yes    | Yes  | Yes |
 | token/ERC20Token                       | No     | Yes  | Yes |
+
+## How to run tests
+Usage:
+```bash
+$ npx embark test ./test/stickermarket.js
+
+
+Compiling contracts
+contracts/status/sticker-market/README.md doesn't have a compatible contract compiler. Maybe a plugin exists for it.
+contracts/status/sticker-market/README.md doesn't have a compatible contract compiler. Maybe a plugin exists for it.
+  StickerMarket
+    ✓ should register packs (1301ms) - [3592112 gas]
+    ✓ should categorize packs (870ms) - [810808 gas]
+    ✓ should uncategorize packs (901ms) - [288465 gas]
+    ✓ should mint packs (1792ms) - [3505648 gas]
+    ✓ should mint packs with approveAndCall (1747ms) - [3221506 gas]
+    ✓ should register pack with approveAndCall (451ms) - [936548 gas]
+    ✓ should purge packs (464ms) - [361631 gas]
+    ✓ should not mint a pack with price 0 (238ms) - [466792 gas]
+    ✓ should migrate registry (273ms) - [550475 gas]
+
+
+  9 passing (24s) - [Total: 30804644 gas]
+  ```