There is code for this; however it only applies if you are using Test Studio as well:
// Execute test 'Google'
There are no test files (.tstest or .aii) if you are purely using the Framework. This process is still possible, though. Simply define a function and give it a unique name. The code in this function will be your child test. Then call that function later in your code (parent test). This functionality closely resembles "Test as Step," it is just not called that as you are not calling an actual test file.
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