dsl

Describe the bug
Broken xpath processor in http driver starting from version v0.16.0-rc.2

We're already on Java 8 and we can use this diamond operator which was introduced in Java 7. Yet, there are lots of occurrences in code where we're still not using it. For more information about this, see this Sonar rule[0]

In case anyone is interested in fixing this, you can check all the occurrences where diamond operator could be used here[1]

[0] https://sonarcloud.io/organizations/fabric

Problem
Some of our transformers & estimators are not thoroughly tested or not tested at all.

Solution
Use OpTransformerSpec and OpEstimatorSpec base test specs to provide tests for all existing transformers & estimators.

fadeTime is missing tidalcycles/Tidal#618

While we're about it, lets check to see if others are missing

I just tried out your sample code and when I edit the "samples/kaspresso-sample/src/main/res/layout/activity_main.xml" layout to have a big space at the beginning like this:

https://gist.github.com/BenedictP/86dc99308851010bc11a4ada98f3c3e6

The samples/kaspresso-sample/src/androidTest/kotlin/com/kaspersky/kaspressample/simple_tests/SimpleTest.kt will fail. I can see Kaspresso is scrolling do