diff --git a/tests/unit/core/statistics/datatypes/test_floattracker.py b/tests/unit/core/statistics/datatypes/test_floattracker.py
index b3c8f1528a..9d13513752 100644
--- a/tests/unit/core/statistics/datatypes/test_floattracker.py
+++ b/tests/unit/core/statistics/datatypes/test_floattracker.py
@@ -3,69 +3,51 @@
 from whylogs.core.statistics.datatypes import FloatTracker
 
 
+def _test_tracker_vs_array(tracker_of_array, array):
+    for val in array:
+        tracker_of_array.update(val)
+    assert tracker_of_array.count == len(array)
+    assert tracker_of_array.max == max(array)
+    assert tracker_of_array.min == min(array)
+    assert tracker_of_array.sum == sum(array)
+
+
 def test_values_are_min_max():
     first = FloatTracker()
     vals1 = [1.0, 2.0, 3.0]
-    for val in vals1:
-        first.update(val)
-
-    assert first.count == len(vals1)
-    assert first.max == max(vals1)
-    assert first.min == min(vals1)
-    assert first.sum == sum(vals1)
+    _test_tracker_vs_array(first, vals1)
 
 
 def test_np_float():
     first = FloatTracker()
     float32_array = np.array([1.0, 2.0, 3.0], dtype=np.float32)
-    for val in float32_array:
-        first.update(val)
-
-    assert first.count == len(float32_array)
-    assert first.max == max(float32_array)
-    assert first.min == min(float32_array)
-    assert first.sum == sum(float32_array)
+    _test_tracker_vs_array(first, float32_array)
 
     second = FloatTracker()
     float64_array = np.array([1.0, 2.0, 3.0], dtype=np.float64)
-    for val in float64_array:
-        second.update(val)
-
-    assert second.count == len(float64_array)
-    assert second.max == max(float64_array)
-    assert second.min == min(float64_array)
-    assert second.sum == sum(float64_array)
+    _test_tracker_vs_array(second, float64_array)
 
 
 def test_merge_floattrackers_should_addup():
     first = FloatTracker()
     vals1 = [1.0, 2.0, 3.0]
-    for val in vals1:
-        first.update(val)
-
-    assert first.count == len(vals1)
-    assert first.max == max(vals1)
-    assert first.min == min(vals1)
-    assert first.sum == sum(vals1)
+    _test_tracker_vs_array(first, vals1)
 
     second = FloatTracker()
     vals2 = [4.0, 5.0, 6.0]
-    for val in vals2:
-        second.update(val)
-
-    assert second.count == len(vals2)
-    assert second.max == max(vals2)
-    assert second.min == min(vals2)
-    assert second.sum == sum(vals2)
+    _test_tracker_vs_array(second, vals2)
 
     all_vals = vals1 + vals2
-    merge_first = first.merge(second)
-    assert merge_first.count == len(all_vals)
-    assert merge_first.max == max(all_vals)
-    assert merge_first.min == min(all_vals)
-    assert merge_first.sum == sum(all_vals)
+    _test_merged_tracker_vs_arrays(all_vals, first, second)
 
-    merge_second = second.merge(first)
+
+def _test_merged_tracker_vs_arrays(combined_arrays, first_tracker, second_tracker):
+    merge_first = first_tracker.merge(second_tracker)
+    assert merge_first.count == len(combined_arrays)
+    assert merge_first.max == max(combined_arrays)
+    assert merge_first.min == min(combined_arrays)
+    assert merge_first.sum == sum(combined_arrays)
+    merge_second = second_tracker.merge(first_tracker)
     assert merge_second.__dict__ == merge_first.__dict__
 
 
@@ -86,31 +68,10 @@ def test_merge_floattrackers_should_addup():
         simple_tracker.update(val)
 
     merge_32_and_simple = float32_array.tolist() + vals2
-    merge_first_tracker_32_and_simple = float32_tracker.merge(simple_tracker)
-    assert merge_first_tracker_32_and_simple.count == len(merge_32_and_simple)
-    assert merge_first_tracker_32_and_simple.max == max(merge_32_and_simple)
-    assert merge_first_tracker_32_and_simple.min == min(merge_32_and_simple)
-    assert merge_first_tracker_32_and_simple.sum == sum(merge_32_and_simple)
-
-    merge_second_tracker_32_and_simple = simple_tracker.merge(float32_tracker)
-    assert merge_first_tracker_32_and_simple.__dict__ == merge_second_tracker_32_and_simple.__dict__
+    _test_merged_tracker_vs_arrays(merge_32_and_simple, float32_tracker, simple_tracker)
 
     merge_64_and_simple = float64_array.tolist() + vals2
-    merge_first_tracker_64_and_simple = float64_tracker.merge(simple_tracker)
-    assert merge_first_tracker_64_and_simple.count == len(merge_64_and_simple)
-    assert merge_first_tracker_64_and_simple.max == max(merge_64_and_simple)
-    assert merge_first_tracker_64_and_simple.min == min(merge_64_and_simple)
-    assert merge_first_tracker_64_and_simple.sum == sum(merge_64_and_simple)
-
-    merge_second_tracker_64_and_simple = simple_tracker.merge(float64_tracker)
-    assert merge_first_tracker_64_and_simple.__dict__ == merge_second_tracker_64_and_simple.__dict__
+    _test_merged_tracker_vs_arrays(merge_64_and_simple, float64_tracker, simple_tracker)
 
     merge_64_and_32 = np.concatenate((float64_array, float32_array))
-    merge_first_tracker_64_and_32 = float64_tracker.merge(float32_tracker)
-    assert merge_first_tracker_64_and_32.count == len(merge_64_and_32)
-    assert merge_first_tracker_64_and_32.max == max(merge_64_and_32)
-    assert merge_first_tracker_64_and_32.min == min(merge_64_and_32)
-    assert merge_first_tracker_64_and_32.sum == sum(merge_64_and_32)
-
-    merge_second_tracker_64_and_32 = float32_tracker.merge(float64_tracker)
-    assert merge_first_tracker_64_and_32.__dict__ == merge_second_tracker_64_and_32.__dict__
+    _test_merged_tracker_vs_arrays(merge_64_and_32, float32_tracker, float64_tracker)