Simplify tests CMakeLists.txt

Author: neatudarius

src/Beman/Optional26/tests/CMakeLists.txt

@@ -3,19 +3,20 @@
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 # cmake-format: on
 
-# Tests
-add_executable(optional_test "")
+include(GoogleTest)
 
-target_sources(
-  optional_test
-  PRIVATE optional.t.cpp optional_ref.t.cpp
-          optional_monadic.t.cpp optional_range_support.t.cpp
-          optional_ref_monadic.t.cpp detail/iterator.t.cpp)
+# Tests
+add_executable(optional_test
+  optional.t.cpp
+  optional_ref.t.cpp
+  optional_monadic.t.cpp
+  optional_range_support.t.cpp
+  optional_ref_monadic.t.cpp
+  detail/iterator.t.cpp
+)
 
 target_link_libraries(optional_test "${TARGET_LIBRARY}" GTest::gtest GTest::gtest_main)
 
-include(GoogleTest)
-
 # Note: clang-19 + gtest_discover_tests + Asan setup causes errors on some platforms.
 # Temporary switch to gtest_add_tests and skip some Asan checks.
 gtest_add_tests(optional_test "" AUTO)