Bump src/tests

Bump cloudfoundry/vcap-yeti:
  Alex Suraci:
     bump assets for dora app ( Travis Unknown )
Bump src/tests

Bump cloudfoundry/vcap-yeti:
  Alex Suraci:
     bump assets ( Travis Unknown )
Bump src/tests

Bump cloudfoundry/vcap-yeti:
  Alex Suraci:
     loggregator spec: don't test for CC/DEA output ( Travis Unknown )