Testing room and Test bed

Testing room noun - A room in which tests are conducted.

Test bed and testing room are semantically related. In some cases you can use "Test bed" instead a noun phrase "Testing room".

Test bed noun - A place equipped with instruments for testing (e.g. engines or machinery or computer programs etc.) under working conditions.

Testing room and test bed are semantically related. You can use "Testing room" instead a noun phrase "Test bed".