One instrumentation test runner needs to call another test runner and wait until the second test runner is done executing its testcase

Question

I have a UI android app which can be used to invoke different testcases executing one after the other thru UI. I am trying to add instrumentation test runner for the same app. But this newly added testrunner dies after execution of first testcase. My requirement is pretty similar to How to elegantly wait for test case to finish after call to startInstrumentation . This is from six years ago. But I see no responses to that thread. Can someone revisit this and let me know if there is something that can be done ?

startInstrumentation(name, null, bundleParams);