ci: support setting a different test timeout for CI

.gitlab/ci/ctest_memcheck.cmake

@@ -16,6 +16,10 @@ if (NOT "$ENV{CTEST_MAX_PARALLELISM}" STREQUAL "")
   endif ()
 endif ()
 
+if (NOT "$ENV{CMAKE_CI_TEST_TIMEOUT}" STREQUAL "")
+  set(CTEST_TEST_TIMEOUT "$ENV{CMAKE_CI_TEST_TIMEOUT}")
+endif ()
+
 set(CTEST_MEMORYCHECK_TYPE "$ENV{CTEST_MEMORYCHECK_TYPE}")
 set(CTEST_MEMORYCHECK_SANITIZER_OPTIONS "$ENV{CTEST_MEMORYCHECK_SANITIZER_OPTIONS}")
 

.gitlab/ci/ctest_standalone.cmake

@@ -14,6 +14,10 @@ if (NOT "$ENV{CTEST_MAX_PARALLELISM}" STREQUAL "")
   endif ()
 endif ()
 
+if (NOT "$ENV{CMAKE_CI_TEST_TIMEOUT}" STREQUAL "")
+  set(CTEST_TEST_TIMEOUT "$ENV{CMAKE_CI_TEST_TIMEOUT}")
+endif ()
+
 # Create an entry in CDash.
 ctest_start("${ctest_model}" GROUP "${ctest_group}")
 

.gitlab/ci/ctest_test.cmake

@@ -16,6 +16,10 @@ if (NOT "$ENV{CTEST_MAX_PARALLELISM}" STREQUAL "")
   endif ()
 endif ()
 
+if (NOT "$ENV{CMAKE_CI_TEST_TIMEOUT}" STREQUAL "")
+  set(CTEST_TEST_TIMEOUT "$ENV{CMAKE_CI_TEST_TIMEOUT}")
+endif ()
+
 include("${CMAKE_CURRENT_LIST_DIR}/ctest_exclusions.cmake")
 ctest_test(
   PARALLEL_LEVEL "${nproc}"