tests: Fix expected value after test_and_set atomic op

[ Upstream commit c4f1885 ]

The expected behaviour of test_and_set is to set the memory to 0x1 and
not ffs as implemented in the relevant tests.

Fixes: 19e132e ("tests: Add tests for mlx5 MEMIC atomic operations")
Signed-off-by: Elyashiv Cohen <elyashivc@nvidia.com>
Signed-off-by: Edward Srouji <edwards@nvidia.com>
Signed-off-by: Nicolas Morey <nmorey@suse.com>

tests/test_mlx5_dm_ops.py

@@ -109,12 +109,12 @@ def test_dm_atomic_ops(self):
                 raise ex
             inc_addr.write(b'\x01')
             inc_addr.write(b'\x01')
-            # Now we should read 0x02 and the memory set to ffs
+            # Now we should read 0x02 and the memory set to 0x1
             val = int.from_bytes(test_and_set_addr.read(1), 'big')
             self.assertEqual(val, 2)
-            # Verify that TEST_AND_SET set the memory to ffs
+            # Verify that TEST_AND_SET set the memory to 0x1
             val = int.from_bytes(test_and_set_addr.read(1), 'big')
-            self.assertEqual(val, 255)
+            self.assertEqual(val, 1)
             inc_addr.unmap(self.dm_size)
             test_and_set_addr.unmap(self.dm_size)
 
@@ -146,5 +146,5 @@ def test_parallel_dm_atomic_ops(self):
                 raise self.skip_queue.get()
 
             val = int.from_bytes(self._read_from_op_addr(), 'big')
-            self.assertEqual(val, num_threads - 1,
-                             f'Read value is ({val}) is different than expected ({num_threads-1})' )
+            self.assertEqual(val, num_threads + 1,
+                             f'Read value is ({val}) is different than expected ({num_threads+1})' )