further decrease tolerance for pipeline big tests

Author: dkazanc

tests/test_pipeline_big.py

@@ -392,7 +392,7 @@ def test_pipe_FBP3d_tomobar_denoising_i13_177906_preview(
 
     residual_im = data_gt_tv - data_result
     res_norm_tv_res = np.linalg.norm(residual_im.flatten()).astype("float32")
-    assert res_norm_tv_res < 1e-4
+    assert res_norm_tv_res < 1e-3
 
 
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