make test fails with "command failed: git checkout master: -- error: pathspec 'master' did not match any file(s) known to git" #501
Description
I wanted to contribute a few test-cases so I cloned the shards repository ran make that was successful
then I ran make test and got several exceptions:
crystal spec spec/unit/git_resolver_spec.cr:31 # Shards::GitResolver normalizes github bitbucket gitlab sources
crystal spec spec/unit/git_resolver_spec.cr:56 # Shards::GitResolver available releases
crystal spec spec/unit/git_resolver_spec.cr:61 # Shards::GitResolver latest version for ref
crystal spec spec/unit/git_resolver_spec.cr:78 # Shards::GitResolver versions for
crystal spec spec/unit/git_resolver_spec.cr:89 # Shards::GitResolver read spec for release
crystal spec spec/unit/git_resolver_spec.cr:95 # Shards::GitResolver read spec for commit
crystal spec spec/unit/git_resolver_spec.cr:102 # Shards::GitResolver install
crystal spec spec/unit/git_resolver_spec.cr:114 # Shards::GitResolver install commit
crystal spec spec/unit/git_resolver_spec.cr:121 # Shards::GitResolver origin changed
crystal spec spec/unit/git_resolver_spec.cr:165 # Shards::GitResolver renders report version
crystal spec spec/unit/git_resolver_spec.cr:170 # Shards::GitResolver #matches_ref
How can I ran the tests?