fix test_backends.py

Author: Stellogic

tests/test_backends.py

@@ -1194,12 +1194,12 @@ def test_backend_all(backend):
     # Test all True
     a = tc.backend.convert_to_tensor([True, True, True])
     result = tc.backend.all(a)
-    assert result is True
+    assert tc.backend.numpy(result).item() is True
 
     # Test with False
     b = tc.backend.convert_to_tensor([True, False, True])
     result = tc.backend.all(b)
-    assert result is False
+    assert tc.backend.numpy(result).item() is False
 
 
 @pytest.mark.parametrize("backend", [lf("npb"), lf("tfb"), lf("jaxb"), lf("torchb")])