ci: fix test build system when using template repository from a

different branch then master

tools/ci/test_build_system.sh

@@ -46,7 +46,7 @@ function run_tests()
     if [ -z $CHECKOUT_REF_SCRIPT ]; then
         git checkout ${CI_BUILD_REF_NAME} || echo "Using esp-idf-template default branch..."
     else
-        $CHECKOUT_REF_SCRIPT esp-idf-template
+        $CHECKOUT_REF_SCRIPT esp-idf-template .
     fi
 
     print_status "Updating template config..."

tools/ci/test_build_system_cmake.sh

@@ -48,7 +48,7 @@ function run_tests()
     if [ -z $CHECKOUT_REF_SCRIPT ]; then
         git checkout ${CI_BUILD_REF_NAME} || echo "Using esp-idf-template default branch..."
     else
-        $CHECKOUT_REF_SCRIPT esp-idf-template
+        $CHECKOUT_REF_SCRIPT esp-idf-template .
     fi
 
     print_status "Try to clean fresh directory..."