As a tester there are so many skills that are required when working on the teams
Every tester has a different skills that becomes their strengths.
Here are 3 most valuable skills as a tester that are very useful(in my opinion) :
1. Asking Questions
As a tester we are great at asking questions to find out more information which also helps uncover how everybody thinks or understands about the same topic.
2. Collaboration
Testers have great collaboration skills as they pair with developers to test the stories or collaborate with the team to build the process or collaborate the business analyst to understand the requirements.
3. Creative Thinking
Testers have a creative thinking mindset, they come up with ideas, experiments and looking at the same feature from different angles while exploring.