Test failed with go 1.13+

[cheese]

+ cd gg-72436a171bf31757dc87fb8fa9f7485307350307
+ LDFLAGS='-X github.com/fogleman/gg/version=1.3.0 -X github.com/fogleman/gg/version.commit=72436a171bf31757dc87fb8fa9f7485307350307'
+ GO_TEST_FLAGS='-buildmode pie -compiler gc'
+ GO_TEST_EXT_LD_FLAGS='-Wl,-z,relro -Wl,--as-needed  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld '
+ go-rpm-integration check -i github.com/fogleman/gg -b /builddir/build/BUILD/gg-72436a171bf31757dc87fb8fa9f7485307350307/_build/bin -s /builddir/build/BUILD/gg-72436a171bf31757dc87fb8fa9f7485307350307/_build -V 1.3.0-3.20190516git72436a1.fc32 -C 72436a171bf31757dc87fb8fa9f7485307350307 -p /builddir/build/BUILDROOT/golang-github-fogleman-gg-1.3.0-3.20190516git72436a1.fc32.x86_64 -g /usr/share/gocode -r '.*example.*'
Testing    in: /builddir/build/BUILD/gg-72436a171bf31757dc87fb8fa9f7485307350307/_build/src
         PATH: /builddir/build/BUILD/gg-72436a171bf31757dc87fb8fa9f7485307350307/_build/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/sbin
       GOPATH: /builddir/build/BUILD/gg-72436a171bf31757dc87fb8fa9f7485307350307/_build:/usr/share/gocode
  GO111MODULE: off
      command: go test -buildmode pie -compiler gc -ldflags "-X github.com/fogleman/gg/version=1.3.0 -X github.com/fogleman/gg/version.commit=72436a171bf31757dc87fb8fa9f7485307350307 -extldflags '-Wl,-z,relro -Wl,--as-needed  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld '"
      testing: github.com/fogleman/gg
github.com/fogleman/gg
flag provided but not defined: -test.timeout
Usage of /tmp/go-build023867409/b001/gg.test:
  -save
    	save PNG output for each test case

It can be worked around with the method mentioned in: https://github.com/golang/go/issues/31859#issuecomment-489889428