fix(tests): correct setUp/tearDown structure in test_radial_fourier

Author: Hitendrasinhdata7

tests/test_radial_fourier.py

@@ -35,6 +35,7 @@ def setUp(self):
         # Create test data
         self.test_image_3d = torch.randn(1, 32, 64, 64, device=self.device)  # Batch, D, H, W
 
+    def tearDown(self):
         """Clean up after tests."""
         set_determinism(seed=None)