try an new ddata to prevent tests from stepping on each other

tests/api.treatments.test.js

@@ -17,6 +17,7 @@ describe('Treatment API', function ( ) {
     self.app.enable('api');
     require('../lib/bootevent')(self.env).boot(function booted(ctx) {
       self.ctx = ctx;
+      self.ctx.ddata = require('../lib/data/ddata')();
       self.app.use('/api', api(self.env, ctx));
       done();
     });