Broken tests report with Composer

we are using Composer 0.6.0 and facing issues with the tests reports: no title nor screenshots appear, just the logcat, for each test.

The following error appears in the console:

Uncaught TypeError: Cannot read property 'length' of undefined
    at t.value (app.min.js:25)
    at app.min.js:97
    at s (app.min.js:97)
    at h._renderValidatedComponentWithoutOwnerOrContext (app.min.js:97)
    at h._renderValidatedComponent (app.min.js:97)
    at h.performInitialMount (app.min.js:97)
    at h.mountComponent (app.min.js:97)
    at Object.mountComponent (app.min.js:6)
    at g.mountChildren (app.min.js:97)
    at g._createInitialChildren (app.min.js:97)

There is an open pull request but it has been stuck for some months. Any alternatives?