Testing ground and Testing room

Testing ground noun - A region resembling a laboratory inasmuch as it offers opportunities for observation and practice and experimentation.

Testing room and testing ground are semantically related. in proving ground topic. In some cases you can use "Testing room" instead a noun phrase "Testing ground".

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

Testing ground and testing room are semantically related. Sometimes you can replace phrase "Testing ground" with "Testing room", this phrases are similar.