[rocprofiler-systems] Add trace_cache unit tests (#2086)

Improve test coverage and reliability of the trace_cache module by adding comprehensive unit tests for all major components.

projects/rocprofiler-systems/source/tests/CMakeLists.txt

@@ -20,12 +20,9 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
-add_executable(rocprof-sys-unit-tests dummy.cpp)
+add_executable(rocprof-sys-unit-tests dummy.cpp $<TARGET_OBJECTS:trace-cache-tests>)
 
 target_link_libraries(
     rocprof-sys-unit-tests
-    PRIVATE rocprofiler-systems-googletest-library
+    PRIVATE rocprofiler-systems-googletest-library rocprofiler-systems-core-library
 )
-
-include(GoogleTest)
-gtest_discover_tests(rocprof-sys-unit-tests)