Old OTP or elixir versions are not yet ready for the mighty ł

test/benchee/benchmark/measure/memory_test.exs

@@ -9,7 +9,6 @@ defmodule Benchee.MemoryMeasureTest do
   @moduletag :memory_measure
 
   describe "measure/1" do
-
     @tag :otp_21_memory_problems
     test "returns the result of the function and the memory used (in bytes)" do
       fun_to_run = fn -> Enum.to_list(1..10) end

test/benchee_test.exs

@@ -634,7 +634,7 @@ defmodule BencheeTest do
     end
 
     @tag :otp_21_memory_problems
-    test "the micro keyword list code from Michał does not break memory measurements #213" do
+    test "the micro keyword list code from Michal does not break memory measurements #213" do
       benches = %{
         "delete old" => fn {kv, key} -> BenchKeyword.delete_v0(kv, key) end,
         "delete reverse" => fn {kv, key} -> BenchKeyword.delete_v2(kv, key) end,

test/test_helper.exs

@@ -3,11 +3,12 @@ otp_release = List.to_integer(:erlang.system_info(:otp_release))
 exclusions = if otp_release > 18, do: [], else: [memory_measure: true]
 
 # See #234
-exclusions = if otp_release >= 21 do
-               [{:otp_21_memory_problems, true} | exclusions]
-             else
-               exclusions
-             end
+exclusions =
+  if otp_release >= 21 do
+    [{:otp_21_memory_problems, true} | exclusions]
+  else
+    exclusions
+  end
 
 # On Windows we have by far worse time measurements (millisecond level)
 # see: https://github.com/PragTob/benchee/pull/195#issuecomment-377010006