fatfs: fix duplicate unit test name

components/fatfs/test/test_fatfs_sdmmc.c

@@ -130,7 +130,7 @@ TEST_CASE("(SD) can create and remove directories", "[fatfs][ignore]")
     test_teardown();
 }
 
-TEST_CASE("(WL) can opendir root directory of FS", "[fatfs][ignore]")
+TEST_CASE("(SD) can opendir root directory of FS", "[fatfs][ignore]")
 {
     test_setup();
     test_fatfs_can_opendir("/sdcard");