Attempt to stop windows flappy CI tests #531

Job	Run time
Test Elixir 1.17, OTP 27, OS ubuntu-latest	39s
Lint (ubuntu-latest, 1.17, 27)	1m 10s
Test Elixir 1.17, OTP 26, OS ubuntu-latest	36s
Test Elixir 1.17, OTP 25, OS ubuntu-latest	34s
Test Elixir 1.16, OTP 26, OS ubuntu-latest	38s
Test Elixir 1.16, OTP 25, OS ubuntu-latest	39s
Test Elixir 1.15, OTP 26, OS ubuntu-latest	33s
Test Elixir 1.15, OTP 25, OS ubuntu-latest	39s
Test Elixir 1.17, OTP 27, OS windows-2019	1m 50s
Test Elixir 1.17, OTP 26, OS windows-2019	1m 56s
Test Elixir 1.17, OTP 25, OS windows-2019	2m 37s
Test Elixir 1.16, OTP 26, OS windows-2019	2m 12s
Test Elixir 1.16, OTP 25, OS windows-2019	2m 3s
Test Elixir 1.15, OTP 26, OS windows-2019	1m 51s
Test Elixir 1.15, OTP 25, OS windows-2019	1m 48s
	19m 45s

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