public void DpapiCredentialStore_Remove_KeyNotFound_ReturnsFalse()
        {
            var fs    = new TestFileSystem();
            var store = new DpapiCredentialStore(fs, TestStoreRoot, TestNamespace);

            // Unique service; guaranteed not to exist!
            string service = Guid.NewGuid().ToString("N");

            bool result = store.Remove(service, account: null);

            Assert.False(result);
        }