I'm cloning a repo and keep getting this error message when I try adding the pods

Question

Could not find 'minitest' (>= 5.1) among 39 total gem(s) (Gem::MissingSpecError) Checked in 'GEM_PATH=/Users/soniaperez/.gem/ruby/2.6.0:/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/gems/2.6.0:/usr/local/Cellar/cocoapods/1.11.2_2/libexec' , execute gem env for more information from /Library/Ruby/Site/2.6.0/rubygems/specification.rb:1399:in block in activate_dependencies' from /Library/Ruby/Site/2.6.0/rubygems/specification.rb:1387:in each' from /Library/Ruby/Site/2.6.0/rubygems/specification.rb:1387:in activate_dependencies' from /Library/Ruby/Site/2.6.0/rubygems/specification.rb:1369:in activate' from /Library/Ruby/Site/2.6.0/rubygems/specification.rb:1405:in block in activate_dependencies' from /Library/Ruby/Site/2.6.0/rubygems/specification.rb:1387:in each' from /Library/Ruby/Site/2.6.0/rubygems/specification.rb:1387:in activate_dependencies' from /Library/Ruby/Site/2.6.0/rubygems/specification.rb:1369:in activate' from /Library/Ruby/Site/2.6.0/rubygems/specification.rb:1405:in block in activate_dependencies' from /Library/Ruby/Site/2.6.0/rubygems/specification.rb:1387:in each' from /Library/Ruby/Site/2.6.0/rubygems/specification.rb:1387:in activate_dependencies' from /Library/Ruby/Site/2.6.0/rubygems/specification.rb:1369:in activate' from /Library/Ruby/Site/2.6.0/rubygems.rb:286:in block in activate_bin_path' from /Library/Ruby/Site/2.6.0/rubygems.rb:285:in synchronize' from /Library/Ruby/Site/2.6.0/rubygems.rb:285:in activate_bin_path' from /usr/local/Cellar/cocoapods/1.11.2_2/libexec/bin/pod:23:in '