test: improved formatting for simplified digestion

part of freqtrade#12054

Author: xmatthias

tests/data/test_historic_precision.py

@@ -110,48 +110,48 @@ def test_get_tick_size_over_time_small_numbers():
             Timestamp("2020-03-15 00:00:00", tz=UTC),
         ],
         "open": [
-            1.23456e-07,
-            1.234e-07,
-            1.23e-07,
-            1.2e-07,
-            1.23456e-07,
-            1.234e-07,
-            2.3456e-07,
-            2.34e-07,
-            2.34e-07,
+            0.000000123456,
+            0.0000001234,
+            0.000000123,
+            0.00000012,
+            0.000000123456,
+            0.0000001234,
+            0.00000023456,
+            0.000000234,
+            0.000000234,
         ],
         "high": [
-            1.23457e-07,
-            1.235e-07,
-            1.24e-07,
-            1.3e-07,
-            1.23456e-07,
-            1.235e-07,
-            2.3457e-07,
-            2.34e-07,
-            2.34e-07,
+            0.000000123457,
+            0.0000001235,
+            0.000000124,
+            0.00000013,
+            0.000000123456,
+            0.0000001235,
+            0.00000023457,
+            0.000000234,
+            0.000000234,
         ],
         "low": [
-            1.23455e-07,
-            1.233e-07,
-            1.22e-07,
-            1.1e-07,
-            1.23456e-07,
-            1.233e-07,
-            2.3455e-07,
-            2.34e-07,
-            2.34e-07,
+            0.000000123455,
+            0.0000001233,
+            0.000000122,
+            0.00000011,
+            0.000000123456,
+            0.0000001233,
+            0.00000023455,
+            0.000000234,
+            0.000000234,
         ],
         "close": [
-            1.23456e-07,
-            1.234e-07,
-            1.23e-07,
-            1.2e-07,
-            1.23456e-07,
-            1.234e-07,
-            2.3456e-07,
-            2.34e-07,
-            2.34e-07,
+            0.000000123456,
+            0.0000001234,
+            0.000000123,
+            0.00000012,
+            0.000000123456,
+            0.0000001234,
+            0.00000023456,
+            0.000000234,
+            0.000000234,
         ],
         "volume": [100, 200, 300, 400, 500, 600, 700, 800, 900],
     }