flushStdioBuffers

Flushes the standard output and standard error. Intended to be called after each test.

Workaround for https://youtrack.jetbrains.com/issue/KT-69709/

Workaround for https://youtrack.jetbrains.com/issue/KT-69709/

Workaround for https://youtrack.jetbrains.com/issue/KT-69709/

Workaround for https://youtrack.jetbrains.com/issue/KT-69709/

Workaround for https://youtrack.jetbrains.com/issue/KT-69709/

Workaround for https://youtrack.jetbrains.com/issue/KT-69709/

Workaround for https://youtrack.jetbrains.com/issue/KT-69709/

Workaround for https://youtrack.jetbrains.com/issue/KT-69709/