Only link against gmock.

Author: breyerml

tests/CMakeLists.txt

@@ -145,7 +145,7 @@ target_compile_definitions(${PLSSVM_BASE_TEST_LIBRARY_NAME} PUBLIC PLSSVM_REGRES
 target_link_libraries(${PLSSVM_BASE_TEST_LIBRARY_NAME} PUBLIC ${PLSSVM_ALL_LIBRARY_NAME})
 
 # link against gtest
-target_link_libraries(${PLSSVM_BASE_TEST_LIBRARY_NAME} PUBLIC GTest::gmock GTest::gtest)
+target_link_libraries(${PLSSVM_BASE_TEST_LIBRARY_NAME} PUBLIC GTest::gmock)
 
 # create base tests
 set(PLSSVM_BASE_TEST_NAME Base_tests)