Make it possible to only run one test file each time

test/all-tests.js

@@ -0,0 +1,7 @@
+// all-tests.js
+//
+// Our master test file: uses the webpack require API to find our test files
+// and run them
+
+var context = require.context('.', true, /-test\.jsx?$/);
+context.keys().forEach(context);