Labels: Replace hardcoded repo name with @test_repo
Labels: Rename "methods requiring a new label" context to "with label"
Labels: Rename "methods requiring a new issue" context to "with issue"
Refs: Replace hardcoded repo name with @test_repo
Refs: Rename "methods that require a ref" context to "with ref"
Repositories: Replace hardcoded organization name with test_github_org
Repositories: Replace repo name local variable with @test_repo in stubs
Repositories: Rename "methods that require a new repo" context to "with
repository"
Repositories: Rename "methods that need an existing hook" context to
"with hook"
Remove unused cassette
Add @test_org_repo in rspec global before all hook
Organizations: Replace hardcoded org, org_repo names

Replaced with @test_org_repo, test_github_org.
Organizations: Rename "methods that require a new team" context to "with
team"