Abstract: A test device (10) for testing a sample liquid with a test stripe (60), comprising the test stripe (60) comprising a backing (62) and an analytical membrane (64) in the centre portion of the backing, a housing comprising a housing base (20) and a housing lid (40), which are connected with each other, the housing base (20) comprises an accommodation portion (22) for accommodating the test stripe (60), the accommodation portion (22) comprises restricting elements (24) that restrict the movement of the test stripe (60) in y-direction, and the housing lid (40) comprises an inlet opening (42) for introducing the sample liquid into the housing, wherein the inlet opening (42) is located opposite to the accommodation portion (22), wherein the accommodation portion (22) of the housing base further comprises a plurality of lower bridges (26) on pre-defined positions for supporting the test stripe (60) and the housing lid (40) comprises a plurality of upper bridges (48) on pre-defined positions opposite to the accommoda