Update scalatest to 3.0.8
Update scalatest to 3.0.8

mandar2812/DynaML,transcendent-ai-labs/DynaML,transcendent-ai-labs/DynaML,transcendent-ai-labs/DynaML,transcendent-ai-labs/DynaML,transcendent-ai-labs/DynaML,mandar2812/DynaML