fix dumb ruby 2.x bug

Author: jonmchan

fabric-gateway.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
   spec.description   = 'Ruby port of the Hyperledger Fabric Gateway SDK'
   spec.homepage      = 'https://github.com/ethicalidentity/fabric-gateway-ruby'
   spec.license       = 'MIT'
-  spec.required_ruby_version = Gem::Requirement.new('>= 2.6.0')
+  spec.required_ruby_version = Gem::Requirement.new('>= 2.7.0')
 
   spec.metadata['allowed_push_host'] = 'https://rubygems.org'
 

spec/fabric/client_spec.rb

@@ -57,7 +57,7 @@
 
     context 'when grpc_client host and creds are passed' do
       let(:expected_args) do
-        if RUBY_VERSION.start_with?('2.6')
+        if RUBY_VERSION.start_with?('2')
           ['localhost:1234', :this_channel_is_insecure, {}]
         else
           ['localhost:1234', :this_channel_is_insecure]