diff --git a/test/jumper_test.exs b/test/jumper_test.exs
index 7ef949a..a0da3d9 100644
--- a/test/jumper_test.exs
+++ b/test/jumper_test.exs
@@ -4,26 +4,26 @@ defmodule JumperTest do
 
   # compiled from various other libraries
   test_cases = [
-    { 0, 1, 0 },
-    { 3, 1, 0 },
-    { 0, 2, 0 },
-    { 4, 2, 1 },
-    { 7, 2, 0 },
-    { 1, 1, 0 },
-    { 42, 57, 43 },
-    { 1, 128, 55 },
-    { 129, 128, 120 },
-    { 256, 1024, 520 },
-    { 0xDEAD10CC, 1, 0 },
-    { 0xDEAD10CC, 666, 361 },
-    { 128, 100000000, 38172097 },
-    { 128, 2147483648, 1644467860 },
-    { 18446744073709551615, 128, 92 },
-    { 0xA9993E364706816ABA3E25717850C26C9CD0D89D, 5, 2 },
+    {0, 1, 0},
+    {3, 1, 0},
+    {0, 2, 0},
+    {4, 2, 1},
+    {7, 2, 0},
+    {1, 1, 0},
+    {42, 57, 43},
+    {1, 128, 55},
+    {129, 128, 120},
+    {256, 1024, 520},
+    {0xDEAD10CC, 1, 0},
+    {0xDEAD10CC, 666, 361},
+    {128, 100_000_000, 38_172_097},
+    {128, 2_147_483_648, 1_644_467_860},
+    {18_446_744_073_709_551_615, 128, 92},
+    {0xA9993E364706816ABA3E25717850C26C9CD0D89D, 5, 2}
   ]
 
   # create a test cases for all defined above
-  for { key, slots, expected } <- test_cases do
+  for {key, slots, expected} <- test_cases do
     test "slot(#{key}, #{slots}) == #{expected}" do
       assert Jumper.slot(unquote(key), unquote(slots)) == unquote(expected)
     end