diff --git a/caiman/tests/test_sbx.py b/caiman/tests/test_sbx.py
index 9aa1538ae..6c18ad95b 100644
--- a/caiman/tests/test_sbx.py
+++ b/caiman/tests/test_sbx.py
@@ -91,15 +91,16 @@ def test_load_subind():
 
 
 def test_sbx_to_tif():
-    tif_file = os.path.join(caiman_datadir(), 'temp', 'from_sbx.tif')
     try:
+        tif_file = os.path.join(caiman_datadir(), 'temp', 'sbxtest1.tif')
         file_2d = os.path.join(TESTDATA_PATH, '2d_sbx.sbx')
         data_2d_from_sbx = cm.load(file_2d)
         sbx_utils.sbx_to_tif(file_2d, fileout=tif_file)
         data_2d_from_tif = cm.load(tif_file)
         npt.assert_array_almost_equal(data_2d_from_sbx, data_2d_from_tif,
                                       err_msg='Data do not match when loaded from .sbx vs. .tif')
-        
+
+        tif_file = os.path.join(caiman_datadir(), 'temp', 'sbxtest2.tif')
         file_3d = os.path.join(TESTDATA_PATH, '3d_sbx_1.sbx')
         data_3d_from_sbx = cm.load(file_3d, is3D=True)
         sbx_utils.sbx_to_tif(file_3d, fileout=tif_file)
@@ -116,32 +117,30 @@ def test_sbx_to_tif():
                 assert False, 'Shape of tif plane is wrong'
         
         # with subindices
+        tif_file = os.path.join(caiman_datadir(), 'temp', 'sbxtest3.tif')
         subinds = (slice(0, None, 2), [0, 1, 3], slice(None))
         sbx_utils.sbx_to_tif(file_2d, fileout=tif_file, subindices=subinds)
         sub_data_from_tif = cm.load(tif_file)
         npt.assert_array_almost_equal(data_2d_from_sbx[subinds_to_ix(subinds, data_2d_from_sbx.shape)], sub_data_from_tif)
 
         # with plane
+        tif_file = os.path.join(caiman_datadir(), 'temp', 'sbxtest4.tif')
         sbx_utils.sbx_to_tif(file_3d, fileout=tif_file, plane=0)
         plane_data_from_tif = cm.load(tif_file)
         npt.assert_array_almost_equal(data_3d_from_sbx[:, :, :, 0], plane_data_from_tif)
-
-
-    finally:
-        # cleanup
-        if os.path.isfile(tif_file):
-            os.remove(tif_file)
-
+    except:
+        assert False
 
 def test_sbx_chain_to_tif():
-    tif_file = os.path.join(caiman_datadir(), 'temp', 'from_sbx.tif')
     try:
+        tif_file = os.path.join(caiman_datadir(), 'temp', 'sbxtest5.tif')
         file_3d_1 = os.path.join(TESTDATA_PATH, '3d_sbx_1.sbx')
         data_3d_1 = sbx_utils.sbxread(file_3d_1)
         file_3d_2 = os.path.join(TESTDATA_PATH, '3d_sbx_2.sbx')
         data_3d_2 = sbx_utils.sbxread(file_3d_2)
 
         # normal chain
+        tif_file = os.path.join(caiman_datadir(), 'temp', 'sbxtest6.tif')
         sbx_utils.sbx_chain_to_tif([file_3d_1, file_3d_2], fileout=tif_file)
         data_chain_tif = cm.load(tif_file, is3D=True)
         data_chain_gt = np.concatenate([data_3d_1, data_3d_2], axis=0)
@@ -149,6 +148,7 @@ def test_sbx_chain_to_tif():
                                       err_msg='Tif from chain does not match expected')
 
         # matching subindices
+        tif_file = os.path.join(caiman_datadir(), 'temp', 'sbxtest7.tif')
         sbx_utils.sbx_chain_to_tif([file_3d_1, file_3d_2], fileout=tif_file,
                                    subindices=(slice(None), slice(0, None, 2)))
         data_chain_tif = cm.load(tif_file, is3D=True)
@@ -157,6 +157,7 @@ def test_sbx_chain_to_tif():
                                       err_msg='Tif from chain with subindices does not match expected')
         
         # non-matching subindices with compatible shapes
+        tif_file = os.path.join(caiman_datadir(), 'temp', 'sbxtest8.tif')
         subinds_1 = (slice(None), [0, 1, 3], slice(0, None, 2), [0, 2])
         subinds_2 = (slice(1, None), [-4, -2, -1], slice(1, None, 2), [1, 3])
         sbx_utils.sbx_chain_to_tif([file_3d_1, file_3d_2], fileout=tif_file,
@@ -166,9 +167,5 @@ def test_sbx_chain_to_tif():
                                         data_3d_2[subinds_to_ix(subinds_2, data_3d_2.shape)]], axis=0)
         npt.assert_array_almost_equal(data_chain_tif, data_chain_gt,
                                       err_msg='Tif from chain with non-matching subindices does not match expected')
-
-    finally:
-        # cleanup
-        if os.path.isfile(tif_file):
-            os.remove(tif_file)
-    
\ No newline at end of file
+    except:
+        assert False