Refactor the testController.ts

[jdneo]

Currently the runTests() of testController.ts is too complicated. What's the meaning of IRunOption and IRunTestContext

Since the debugger's progress reporter api has released for years, we can assume the API is always available and simplify it.

vscode-java-test/src/controller/testController.ts

Line 145 in 22a11be

option.progressReporter = option.progressReporter ?? progressProvider?.createProgressReporter(option.isDebug ? 'Debug Tests' : 'Run Tests');