test: Add test_Utils

Add the unit test to verify the findFiles() in utils, the tests creates
test directory structure like hwmon and peci and verify the result is
expected.

Tested: Verify the unit test passes.

Signed-off-by: Lei YU <yulei.sh@bytedance.com>
Change-Id: I11976399909235de509e09865af0b3421db6b565
diff --git a/tests/meson.build b/tests/meson.build
index 50eaf0e..e20eccf 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -49,3 +49,18 @@
     )
 )
 endif
+
+test(
+    'test_utils',
+    executable(
+        'test_utils',
+        'test_Utils.cpp',
+        '../src/Utils.cpp',
+        dependencies: [
+            sdbusplus,
+            gtest_dep,
+        ],
+        implicit_include_directories: false,
+        include_directories: '../include',
+    )
+)