The ornamental design for a testingapparatusset, as shown and described.
FIG. 1 is a perspective view of a testing apparatus set, including a display base and a handheld unit according to our new design;
FIG. 2 is a perspective view of a handheld unit of the testing apparatus set;
FIG. 3 is another perspective view thereof;
FIG. 4 is a rear perspective view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a rear elevation view thereof;
FIG. 8 is a left side elevation view thereof;
FIG. 9 is a right side elevation view thereof;
FIG. 10 is a perspective view of a display base of the testing apparatus set;
FIG. 11 is a rear perspective view thereof;
FIG. 12 is a top plan view thereof;
FIG. 13 is a bottom plan view thereof;
FIG. 14 is a front elevation view thereof;
FIG. 15 is a rear elevation view thereof;
FIG. 16 is a right side elevation view thereof; and,
FIG. 17 is a left side elevation view thereof.
The broken lines showing the sample tubes in FIGS. 1 and 2 represent environmental subject matter, and all other broken lines represent portions of the testing apparatus set that form no part of the claimed design. The dash-dot-dash broken lines illustrate a boundary of the claimed design.