Do not output coverage summary after tests finish running.

mattacosta · mattacosta · commit 62fc88626402 · 2019-05-12T06:12:53.000-07:00
diff --git a/.nycrc.json b/.nycrc.json
@@ -1,5 +1,6 @@
 {
     "extension": [
         ".ts"
-    ]
+    ],
+    "silent": true
 }
