Update the unit test variable name to match other FreeRTOS Repos.

Author: Skptak

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
           cmake -S test -B build/ \
           -G "Unix Makefiles" \
           -DCMAKE_BUILD_TYPE=Debug \
-          -DBUILD_UNIT_TESTS=ON \
+          -DUNITTEST=ON \
           -DCMAKE_C_FLAGS='--coverage -Wall -Wextra -Werror'
           make -C build/ all
       - name: Test

test/CMakeLists.txt

@@ -22,7 +22,7 @@ set( UNIT_TEST_DIR ${MODULE_ROOT_DIR}/test/unit-test CACHE INTERNAL "backoffAlgo
 set( UNITY_DIR ${UNIT_TEST_DIR}/Unity CACHE INTERNAL "Unity library source directory." )
 
 # Configure options to always show in CMake GUI.
-option( BUILD_UNIT_TESTS
+option( UNITTEST
         "Set this to ON to build unit tests. This will clone the required Unity test framework submodule if it is not cloned already."
         OFF )
 
@@ -62,7 +62,7 @@ endif()
 
 #  ==================================== Unit Test Configuration ====================================
 
-if(${BUILD_UNIT_TESTS})
+if(${UNITTEST})
 
     # Include Unity build configuration.
     include( unit-test/unity_build.cmake )