TestMatch fails

[eclipseo]

I'm packaging go-gitignore on Fedora Rawhide with Golang 1.16 beta 1 and I'm encountering the following error:

Testing    in: /builddir/build/BUILD/go-gitignore-39e6bddfb2924a6703a1cb3bb97098db26d7b460/_build/src
         PATH: /builddir/build/BUILD/go-gitignore-39e6bddfb2924a6703a1cb3bb97098db26d7b460/_build/bin:/builddir/.local/bin:/builddir/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/sbin
       GOPATH: /builddir/build/BUILD/go-gitignore-39e6bddfb2924a6703a1cb3bb97098db26d7b460/_build:/usr/share/gocode
  GO111MODULE: off
      command: go test -buildmode pie -compiler gc -ldflags " -X github.com/zabawaba99/go-gitignore/version=0 -X github.com/zabawaba99/go-gitignore/version.commit=39e6bddfb2924a6703a1cb3bb97098db26d7b460 -extldflags '-Wl,-z,relro -Wl,--as-needed  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld  '"
      testing: github.com/zabawaba99/go-gitignore
github.com/zabawaba99/go-gitignore
--- FAIL: TestMatch (0.00s)
    ignore_test.go:43: 
        	Error Trace:	ignore_test.go:43
        	Error:      	Should be true
        	Test:       	TestMatch
    ignore_test.go:46: 
        	Error Trace:	ignore_test.go:46
        	Error:      	Should be false
        	Test:       	TestMatch
FAIL
exit status 1
FAIL	github.com/zabawaba99/go-gitignore	0.006s

It fails with Go 1.15.6 too