[Bug go/69766] go.test/test/env.go fails on biarch

[vogt at linux dot vnet.ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69766

--- Comment #1 from Dominik Vogt <vogt at linux dot vnet.ibm.com> ---
If I understand the GOARCH environtment variable right it's value is just the
architecture of the build system.  So, this test is bound to fail for any
multiarch target with the non-standard architecture, and for cross compilation?