This turns out pretty nicely and interleave the output from the Moz2D unittest driver while still running and reporting failures within GTest. This simple wrapper will make these test run once GTest is checked in and added to TBPL. [==========] Running 6 tests from 3 test cases. [----------] Global test environment set-up. [----------] 1 test from MozillaGTestSanity [ RUN ] MozillaGTestSanity.Runs [ OK ] MozillaGTestSanity.Runs (0 ms) [----------] 1 test from MozillaGTestSanity (0 ms total) [----------] 3 tests from TiledLayerBuffer [ RUN ] TiledLayerBuffer.TileStart [ OK ] TiledLayerBuffer.TileStart (0 ms) [ RUN ] TiledLayerBuffer.TileConstructor [ OK ] TiledLayerBuffer.TileConstructor (0 ms) [ RUN ] TiledLayerBuffer.EmptyUpdate [ OK ] TiledLayerBuffer.EmptyUpdate (0 ms) [----------] 3 tests from TiledLayerBuffer (0 ms total) [----------] 2 tests from Moz2D [ RUN ] Moz2D.Point Test (Addition): PASSED Test (Subtraction): PASSED [ OK ] Moz2D.Point (0 ms) [ RUN ] Moz2D.Scaling Test (BasicHalfScale): PASSED Test (DoubleHalfScale): PASSED Test (UnevenHalfScale): PASSED Test (OddStrideHalfScale): PASSED Test (VerticalHalfScale): PASSED Test (HorizontalHalfScale): PASSED Test (MixedHalfScale): PASSED [ OK ] Moz2D.Scaling (4 ms) [----------] 2 tests from Moz2D (4 ms total) [----------] Global test environment tear-down [==========] 6 tests from 3 test cases ran. (4 ms total) [ PASSED ] 6 tests.