message: Fixes a bug where we could not build with examples but not tests
  After this PR, we can once again build with AXOM_ENABLE_TESTS=OFF and AXOM_ENABLE_EXAMPLES=ON
diff: @@ -55,7 +55,7 @@ list(APPEND slam_tiny_hydro_tests_depends_on slam_tinyHydro_ex)
  #
  # Add gtest based tests for tinyHydro
  #
  -if(ENABLE_GTEST)
  +if(AXOM_ENABLE_TESTS)
  blt_add_executable(
  NAME slam_tinyHydro_unitTests_ex
  SOURCES tests/slam_tinyHydro_unitTests.cpp
  