docs: fix broken tests badge in README (#60)

Munter · evilebottnawi · commit e7640875b274 · 2019-01-15T12:51:26.000+03:00
diff --git a/README.md b/README.md
@@ -7,7 +7,7 @@
 [![npm][npm]][npm-url]
 [![node][node]][node-url]
 [![deps][deps]][deps-url]
-[![test][test]][test-url]
+[![tests][tests]][tests-url]
 [![coverage][cover]][cover-url]
 [![chat][chat]][chat-url]
 [![size][size]][size-url]
