Play nice with the matrix-based Actions workflow running the tests

script/test-redirections

@@ -11,7 +11,7 @@ def start_server(port, location)
     client = server.accept
 
     # Append a hit in the file
-    File.open('/tmp/bad-redirection.log', 'a') do |file|
+    File.open("/tmp/bad-redirection#{ENV["RUBY_VERSION"]}.log", 'a') do |file|
       file.print("HIT #{port} ")
     end
 

spec/github_pages_health_check/domain_spec.rb

@@ -664,11 +664,13 @@
   end
 
   context "Protocol redirections" do
-    let(:log_file) { "/tmp/bad-redirection.log" }
+    let(:log_file) { "/tmp/bad-redirection#{ENV["RUBY_VERSION"]}.log" }
+    before do
+      File.open(log_file, "w") # truncate log file
+    end
 
     it "it follows ftp if requested" do
       # Make a real request to a local server started with /script/test-redirections
-      File.open(log_file, "w") # truncate log file
       Typhoeus.get(
         "http://localhost:9988",
         GitHubPages::HealthCheck.typhoeus_options.merge(:redir_protocols => %i[http https ftp])
@@ -680,7 +682,6 @@
 
     it "it does not follow anything other than http/https by default" do
       # Make a real request to a local server started with /script/test-redirections
-      File.open(log_file, "w") # truncate log file
       Typhoeus.get(
         "http://localhost:9988",
         GitHubPages::HealthCheck.typhoeus_options