Fix test: increase timeout for DB quota middleware

In order to give the DB quota middleware a chance of getting executed,
increase the 1 ms timeout to 10 ms. This is short but enough, as the
quota mocks are constant functions.

test/acceptance/copy-endpoints.js

@@ -426,7 +426,7 @@ describe('copy-endpoints', function() {
     describe('COPY timeouts: they can take longer than statement_timeout', function() {
         before('set a very small statement_timeout for regular queries', function(done) {
             assert.response(server, {
-                url: '/api/v1/sql?q=set statement_timeout = 1',
+                url: '/api/v1/sql?q=set statement_timeout = 10',
                 headers: {host: 'vizzuality.cartodb.com'},
                 method: 'GET'
             }, done);