Add note about running tests

MainShayne233 · lpil · commit ae5597c1b279 · 2019-04-07T08:54:56.000Z
diff --git a/README.md b/README.md
@@ -7,3 +7,8 @@ Build
 -----
 
     $ rebar3 compile
+
+Run Tests
+-----
+
+    $ rebar3 eunit
