Use CMake macro for avifincrtest (#2317)

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 1d8f8b3..dcf6461 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -123,12 +123,7 @@
     add_avif_gtest(avifgridapitest)
     add_avif_gtest_with_data(avifilocextenttest)
     add_avif_gtest(avifimagetest)
-
-    add_executable(avifincrtest gtest/avifincrtest.cc)
-    target_link_libraries(avifincrtest aviftest_helpers avifincrtest_helpers)
-    add_test(NAME avifincrtest COMMAND avifincrtest ${CMAKE_CURRENT_SOURCE_DIR}/data/)
-    register_test_for_coverage(avifincrtest ${CMAKE_CURRENT_SOURCE_DIR}/data/)
-
+    add_avif_gtest_with_data(avifincrtest avifincrtest_helpers)
     add_avif_gtest_with_data(avifiostatstest)
     add_avif_gtest_with_data(avifkeyframetest)
     add_avif_gtest_with_data(aviflosslesstest)