test: modernize mocha config (#21)

JustinBeckwith · web-flow · commit bc6d55eb234b · 2020-01-31T20:53:23.000-08:00
diff --git a/packages/google-monitoring-dashboard/.mocharc.json b/packages/google-monitoring-dashboard/.mocharc.json
@@ -0,0 +1,5 @@
+{
+  "enable-source-maps": true,
+  "throw-deprecation": true,
+  "timeout": 10000
+}
