bif_SUITE: Fix failing test cases when run in a git repo #4352

Job	Run time
Build Erlang/OTP (64-bit)	8m 59s
Event File	3s
Build Erlang/OTP (iOS)	3m 23s
Build Erlang/OTP (Types and Flavors)	7m 29s
Build Erlang/OTP (32-bit)	10m 23s
Build Erlang/OTP (macOS)	2m 49s
Build Erlang/OTP (cross-compile)	14m 2s
Build Erlang/OTP (Windows)	10m 35s
Build and check documentation	4m 54s
Build Erlang/OTP (clang)	5m 23s
Run static analysis	6m 24s
Test Erlang/OTP (emulator)	48m 9s
Test Erlang/OTP (debug)	4m 47s
Test Erlang/OTP (stdlib)	1h 6m 24s
Release Erlang/OTP	0s
Test Erlang/OTP (system)	7m 51s
	3h 21m 35s

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