QIntegrationTestBase: Move into QtMultimediaTest namespace


Pick-to: 6.12
Change-Id: I041312084e6a7bbfbdcb2dead4c597961d3d9af3
Reviewed-by: Tim Blechmann <tim.blechmann@qt.io>
commit68e09b707ba5d64f7e924f52199f83e975525f22
parentd07f0c0c4d94b07d16337275c46bf02ead8d612f
authorNils Petter Skålerud <nils.petter.skalerud@qt.io>
committerNils Petter Skålerud <nils.petter.skalerud@qt.io>
commit timeWed, 14 Oct 2026 09:36:33 +0000