Test with Ruby 3.2

.github/workflows/ci.yml

@@ -30,12 +30,8 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - '3.0'
-          - '3.1'
+          - '3.2'
         gemfile:
-          - '3.5'
-          - '3.6'
-          - '3.7'
           - '3.8'
           - '3.9'
           - '3.10'

bin/check_num_tests.rb

@@ -9,7 +9,7 @@
 EXPECTED_TEST_NUMBER_SNAPSHOT_PATH = 'spec/NUM_TESTS'
 
 json_path = ARGV[0] || DEFAULT_TEST_JSON_PATH
-unless File.exists?(json_path)
+unless File.exist?(json_path)
   warn "no test file found at #{json_path}"
   warn "usage: bin/snapshot_num_tests.rb (path to json file) (default: #{DEFAULT_TEST_JSON_PATH}"
   exit 1

spec/rspec/abq_spec.rb

@@ -181,11 +181,12 @@ def stringify_keys(hash)
 
       it "fails with ConnectionFailed when connection times out", aggregate_failures: true do
         # Force this error to avoid flakiness.
-        expect(Socket).to receive(:tcp).with(host, port.to_s, connect_timeout: 0.001)
+        timeout = 1
+        expect(Socket).to receive(:tcp).with(host, port.to_s, connect_timeout: timeout)
           .and_raise(Errno::ETIMEDOUT, "forced error")
 
         expect do
-          RSpec::Abq.socket(connect_timeout: 0.001)
+          RSpec::Abq.socket(connect_timeout: timeout)
         end.to raise_error(RSpec::Abq::ConnectionFailed)
       end
     end