Replaces disrespectful terms (#25501)

src/ruby/end2end/channel_closing_test.rb

@@ -49,7 +49,7 @@ def main
     Process.kill('SIGKILL', client_controller.client_pid)
     Process.wait(client_controller.client_pid)
     STDERR.puts 'killed client child'
-    raise 'Timed out waiting for client process. It likely hangs when a ' \
+    raise 'Timed out waiting for client process. It likely freezes when a ' \
       'channel is closed while connectivity is watched'
   end
 

src/ruby/end2end/channel_state_test.rb

@@ -38,7 +38,7 @@ def main
     Process.wait(client_controller.client_pid)
     STDERR.puts 'killed client child'
     raise 'Timed out waiting for client process. ' \
-           'It likely hangs when ended abruptly'
+           'It likely freezes when ended abruptly'
   end
 
   # The interrupt in the child process should cause it to

src/ruby/end2end/forking_client_client.rb

@@ -45,7 +45,7 @@ def main
     Process.kill('SIGKILL', p)
     Process.wait(p)
     raise 'Timed out waiting for client process. ' \
-      'It likely hangs when using gRPC after loading it and then forking'
+      'It likely freezes when using gRPC after loading it and then forking'
   end
   # don't report the port until now so as to not use grpc before forking
   report_controller_port_to_parent(parent_controller_port, 0)

src/ruby/end2end/forking_client_test.rb

@@ -34,7 +34,7 @@ def main
     Process.wait(client_controller.client_pid)
     STDERR.puts 'killed client child'
     raise 'Timed out waiting for client process. ' \
-      'It likely hangs when requiring grpc, then forking, then using grpc '
+      'It likely freezes when requiring grpc, then forking, then using grpc '
   end
 
   client_exit_code = $CHILD_STATUS

src/ruby/end2end/grpc_class_init_test.rb

@@ -45,7 +45,7 @@ def main
           Process.wait(client_pid)
           STDERR.puts 'killed client child'
           raise 'Timed out waiting for client process. ' \
-            'It likely hangs when the first constructed gRPC object has ' \
+            'It likely freezes when the first constructed gRPC object has ' \
             "type: #{grpc_class}"
         end
 

src/ruby/end2end/killed_client_thread_test.rb

@@ -74,7 +74,7 @@ def main
     Process.wait(client_controller.client_pid)
     STDERR.puts 'killed client child'
     raise 'Timed out waiting for client process. ' \
-      'It likely hangs when killed while in the middle of an rpc'
+      'It likely freezes when killed while in the middle of an rpc'
   end
 
   client_exit_code = $CHILD_STATUS

src/ruby/end2end/sig_int_during_channel_watch_test.rb

@@ -40,7 +40,7 @@ def main
     Process.kill('SIGKILL', client_controller.client_pid)
     Process.wait(client_controller.client_pid)
     STDERR.puts 'killed client child'
-    raise 'Timed out waiting for client process. It likely hangs when a ' \
+    raise 'Timed out waiting for client process. It likely freezes when a ' \
       'SIGINT is sent while there is an active connectivity_state call'
   end
   client_exit_code = $CHILD_STATUS

src/ruby/spec/generic/rpc_server_spec.rb

@@ -104,7 +104,7 @@ end
 
 SynchronizedCancellationStub = SynchronizedCancellationService.rpc_stub_class
 
-# a test service that hangs onto call objects
+# a test service that holds onto call objects
 # and uses them after the server-side call has been
 # finished
 class CheckCallAfterFinishedService