kernel32: add tests for recasing files (try 2)

[Austin English]

Abridged version, thanks to Dmitry for pointing that out.

-- 
-Austin
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diff --git a/dlls/kernel32/tests/file.c b/dlls/kernel32/tests/file.c
index 3f55977..76bed73 100644
--- a/dlls/kernel32/tests/file.c
+++ b/dlls/kernel32/tests/file.c
@@ -564,6 +564,10 @@ static void test_CopyFileA(void)
     ret = GetTempFileNameA(temp_path, prefix, 0, source);
     ok(ret != 0, "GetTempFileNameA error %d\n", GetLastError());
 
+
+    ret = MoveFileA(source, source);
+    todo_wine ok(ret, "MoveFileA: failed, error %d\n", GetLastError());
+
     /* make the source have not zero size */
     hfile = CreateFileA(source, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0 );
     ok(hfile != INVALID_HANDLE_VALUE, "failed to open source file\n");