cmake: Use full signature of add_test() command

An executable target in the `COMMAND` option will automatically be
replaced by the location of the executable created at build time.

This change fixes tests for Windows binaries using Wine.

.cirrus.yml

@@ -403,7 +403,7 @@ task:
     - cmake --build build --config RelWithDebInfo -- -property:UseMultiToolTask=true;CL_MPcount=5
   check_script:
     - '%x64_NATIVE_TOOLS%'
-    - ctest --test-dir build -j 5
+    - ctest -C RelWithDebInfo --test-dir build -j 5
     - build\src\RelWithDebInfo\bench_ecmult.exe
     - build\src\RelWithDebInfo\bench_internal.exe
     - build\src\RelWithDebInfo\bench.exe

examples/CMakeLists.txt

@@ -12,16 +12,16 @@ endif()
 
 add_executable(ecdsa_example ecdsa.c)
 target_link_libraries(ecdsa_example example)
-add_test(ecdsa_example ecdsa_example)
+add_test(NAME ecdsa_example COMMAND ecdsa_example)
 
 if(SECP256K1_ENABLE_MODULE_ECDH)
   add_executable(ecdh_example ecdh.c)
   target_link_libraries(ecdh_example example)
-  add_test(ecdh_example ecdh_example)
+  add_test(NAME ecdh_example COMMAND ecdh_example)
 endif()
 
 if(SECP256K1_ENABLE_MODULE_SCHNORRSIG)
   add_executable(schnorr_example schnorr.c)
   target_link_libraries(schnorr_example example)
-  add_test(schnorr_example schnorr_example)
+  add_test(NAME schnorr_example COMMAND schnorr_example)
 endif()

src/CMakeLists.txt

@@ -53,12 +53,12 @@ endif()
 if(SECP256K1_BUILD_TESTS)
   add_executable(noverify_tests tests.c)
   target_link_libraries(noverify_tests secp256k1_precomputed secp256k1_asm)
-  add_test(noverify_tests noverify_tests)
+  add_test(NAME noverify_tests COMMAND noverify_tests)
   if(NOT CMAKE_BUILD_TYPE STREQUAL "Coverage")
     add_executable(tests tests.c)
     target_compile_definitions(tests PRIVATE VERIFY)
     target_link_libraries(tests secp256k1_precomputed secp256k1_asm)
-    add_test(tests tests)
+    add_test(NAME tests COMMAND tests)
   endif()
 endif()
 
@@ -67,7 +67,7 @@ if(SECP256K1_BUILD_EXHAUSTIVE_TESTS)
   add_executable(exhaustive_tests tests_exhaustive.c)
   target_link_libraries(exhaustive_tests secp256k1_asm)
   target_compile_definitions(exhaustive_tests PRIVATE $<$<NOT:$<CONFIG:Coverage>>:VERIFY>)
-  add_test(exhaustive_tests exhaustive_tests)
+  add_test(NAME exhaustive_tests COMMAND exhaustive_tests)
 endif()
 
 if(SECP256K1_BUILD_CTIME_TESTS)