Disable HEv2 tests temporarily (#12097)

* Disable HEv2 tests temporarily

To suppress error log output in CI.
They should have been DISABLE in PR #12070.

---

Additionally, the following fixes have been made:

- Remove unnecessary `assert_separately` from the related tests

test/socket/test_tcp.rb

@@ -142,11 +142,9 @@ class TestSocket_TCPSocket < Test::Unit::TestCase
   end
 
   def test_initialize_v6_hostname_resolved_earlier
+    pend "to suppress the output of test failure logs in CI temporarily"
     return if RUBY_PLATFORM =~ /mswin|mingw|cygwin/
-    opts = %w[-rsocket -W1]
-    assert_separately opts, "#{<<-"begin;"}\n#{<<-'end;'}"
 
-    begin;
     begin
       server = TCPServer.new("::1", 0)
     rescue Errno::EADDRNOTAVAIL # IPv6 is not supported
@@ -166,15 +164,12 @@ class TestSocket_TCPSocket < Test::Unit::TestCase
     server_thread.value.close
     server.close
     socket.close if socket && !socket.closed?
-    end;
   end
 
   def test_initialize_v4_hostname_resolved_earlier
+    pend "to suppress the output of test failure logs in CI temporarily"
     return if RUBY_PLATFORM =~ /mswin|mingw|cygwin/
-    opts = %w[-rsocket -W1]
-    assert_separately opts, "#{<<-"begin;"}\n#{<<-'end;'}"
 
-    begin;
     server = TCPServer.new("127.0.0.1", 0)
     port = server.addr[1]
 
@@ -190,15 +185,12 @@ class TestSocket_TCPSocket < Test::Unit::TestCase
     server_thread.value.close
     server.close
     socket.close if socket && !socket.closed?
-    end;
   end
 
   def test_initialize_v6_hostname_resolved_in_resolution_delay
+    pend "to suppress the output of test failure logs in CI temporarily"
     return if RUBY_PLATFORM =~ /mswin|mingw|cygwin/
-    opts = %w[-rsocket -W1]
-    assert_separately opts, "#{<<-"begin;"}\n#{<<-'end;'}"
 
-    begin;
     begin
       server = TCPServer.new("::1", 0)
     rescue Errno::EADDRNOTAVAIL # IPv6 is not supported
@@ -219,15 +211,12 @@ class TestSocket_TCPSocket < Test::Unit::TestCase
     server_thread.value.close
     server.close
     socket.close if socket && !socket.closed?
-    end;
   end
 
   def test_initialize_v6_hostname_resolved_earlier_and_v6_server_is_not_listening
+    pend "to suppress the output of test failure logs in CI temporarily"
     return if RUBY_PLATFORM =~ /mswin|mingw|cygwin/
-    opts = %w[-rsocket -W1]
-    assert_separately opts, "#{<<-"begin;"}\n#{<<-'end;'}"
 
-    begin;
     ipv4_address = "127.0.0.1"
     ipv4_server = Socket.new(Socket::AF_INET, :STREAM)
     ipv4_server.bind(Socket.pack_sockaddr_in(0, ipv4_address))
@@ -241,20 +230,16 @@ class TestSocket_TCPSocket < Test::Unit::TestCase
       test_mode_settings: { delay: { ipv4: 10 } }
     )
     assert_equal(ipv4_address, socket.remote_address.ip_address)
-
     accepted, _ = ipv4_server_thread.value
     accepted.close
     ipv4_server.close
     socket.close if socket && !socket.closed?
-    end;
   end
 
   def test_initialize_v6_hostname_resolved_later_and_v6_server_is_not_listening
+    pend "to suppress the output of test failure logs in CI temporarily"
     return if RUBY_PLATFORM =~ /mswin|mingw|cygwin/
-    opts = %w[-rsocket -W1]
-    assert_separately opts, "#{<<-"begin;"}\n#{<<-'end;'}"
 
-    begin;
     ipv4_server = Socket.new(Socket::AF_INET, :STREAM)
     ipv4_server.bind(Socket.pack_sockaddr_in(0, "127.0.0.1"))
     port = ipv4_server.connect_address.ip_port
@@ -275,15 +260,12 @@ class TestSocket_TCPSocket < Test::Unit::TestCase
     accepted.close
     ipv4_server.close
     socket.close if socket && !socket.closed?
-    end;
   end
 
   def test_initialize_v6_hostname_resolution_failed_and_v4_hostname_resolution_is_success
+    pend "to suppress the output of test failure logs in CI temporarily"
     return if RUBY_PLATFORM =~ /mswin|mingw|cygwin/
-    opts = %w[-rsocket -W1]
-    assert_separately opts, "#{<<-"begin;"}\n#{<<-'end;'}"
 
-    begin;
     server = TCPServer.new("127.0.0.1", 0)
     port = server.addr[1]
 
@@ -299,18 +281,16 @@ class TestSocket_TCPSocket < Test::Unit::TestCase
     server_thread.value.close
     server.close
     socket.close if socket && !socket.closed?
-    end;
   end
 
   def test_initialize_resolv_timeout_with_connection_failure
+    pend "to suppress the output of test failure logs in CI temporarily"
     return if RUBY_PLATFORM =~ /mswin|mingw|cygwin/
-    opts = %w[-rsocket -W1]
+
-    assert_separately opts, "#{<<-"begin;"}\n#{<<-'end;'}"
     server = TCPServer.new("::1", 0)
     port = server.connect_address.ip_port
     server.close
 
-    begin;
     assert_raise(Errno::ETIMEDOUT) do
       TCPSocket.new(
         "localhost",
@@ -320,13 +300,12 @@ class TestSocket_TCPSocket < Test::Unit::TestCase
         test_mode_settings: { delay: { ipv4: 1000 } }
       )
     end
-    end;
   end
 
   def test_initialize_with_hostname_resolution_failure_after_connection_failure
+    pend "to suppress the output of test failure logs in CI temporarily"
     return if RUBY_PLATFORM =~ /mswin|mingw|cygwin/
-    opts = %w[-rsocket -W1]
+
-    assert_separately opts, "#{<<-"begin;"}\n#{<<-'end;'}"
     begin
       server = TCPServer.new("::1", 0)
     rescue Errno::EADDRNOTAVAIL # IPv6 is not supported
@@ -335,7 +314,6 @@ class TestSocket_TCPSocket < Test::Unit::TestCase
     port = server.connect_address.ip_port
     server.close
 
-    begin;
     assert_raise(Socket::ResolutionError) do
       TCPSocket.new(
         "localhost",
@@ -344,18 +322,16 @@ class TestSocket_TCPSocket < Test::Unit::TestCase
         test_mode_settings: { delay: { ipv4: 100 }, error: { ipv4: Socket::EAI_FAIL } }
       )
     end
-    end;
   end
 
   def test_initialize_with_connection_failure_after_hostname_resolution_failure
+    pend "to suppress the output of test failure logs in CI temporarily"
     return if RUBY_PLATFORM =~ /mswin|mingw|cygwin/
-    opts = %w[-rsocket -W1]
+
-    assert_separately opts, "#{<<-"begin;"}\n#{<<-'end;'}"
     server = TCPServer.new("127.0.0.1", 0)
     port = server.connect_address.ip_port
     server.close
 
-    begin;
     assert_raise(Errno::ECONNREFUSED) do
       TCPSocket.new(
         "localhost",
@@ -364,15 +340,11 @@ class TestSocket_TCPSocket < Test::Unit::TestCase
         test_mode_settings: { delay: { ipv4: 100 }, error: { ipv6: Socket::EAI_FAIL } }
       )
     end
-    end;
   end
 
   def test_initialize_v6_connected_socket_with_v6_address
     return if RUBY_PLATFORM =~ /mswin|mingw|cygwin/
-    opts = %w[-rsocket -W1]
-    assert_separately opts, "#{<<-"begin;"}\n#{<<-'end;'}"
 
-    begin;
     begin
       server = TCPServer.new("::1", 0)
     rescue Errno::EADDRNOTAVAIL # IPv6 is not supported
@@ -384,38 +356,43 @@ class TestSocket_TCPSocket < Test::Unit::TestCase
 
     socket = TCPSocket.new("::1", port)
     assert_true(socket.remote_address.ipv6?)
+  ensure
+    return if RUBY_PLATFORM =~ /mswin|mingw|cygwin/
+
     server_thread.value.close
     server.close
     socket.close if socket && !socket.closed?
-    end;
   end
 
   def test_initialize_v4_connected_socket_with_v4_address
     return if RUBY_PLATFORM =~ /mswin|mingw|cygwin/
-    opts = %w[-rsocket -W1]
-    assert_separately opts, "#{<<-"begin;"}\n#{<<-'end;'}"
 
-    begin;
     server = TCPServer.new("127.0.0.1", 0)
     server_thread = Thread.new { server.accept }
     port = server.addr[1]
 
     socket = TCPSocket.new("127.0.0.1", port)
     assert_true(socket.remote_address.ipv4?)
+  ensure
+    return if RUBY_PLATFORM =~ /mswin|mingw|cygwin/
+
     server_thread.value.close
     server.close
     socket.close if socket && !socket.closed?
-    end;
   end
 
   def test_initialize_fast_fallback_is_false
     return if RUBY_PLATFORM =~ /mswin|mingw|cygwin/
+
     server = TCPServer.new("127.0.0.1", 0)
     _, port, = server.addr
     server_thread = Thread.new { server.accept }
-    socket = TCPSocket.new("127.0.0.1", port, fast_fallback: false)
 
+    socket = TCPSocket.new("127.0.0.1", port, fast_fallback: false)
     assert_true(socket.remote_address.ipv4?)
+  ensure
+    return if RUBY_PLATFORM =~ /mswin|mingw|cygwin/
+
     server_thread.value.close
     server.close
     socket.close if socket && !socket.closed?