Do not use keywords

Author: pitr-ch

spec/concurrent/atomic/read_write_lock_spec.rb

@@ -110,7 +110,7 @@ module Concurrent
 
         latch_3.count_down
 
-        join_with t1, t2
+        join_with [t1, t2]
       end
     end
 

spec/concurrent/synchronization_spec.rb

@@ -125,7 +125,7 @@ def ns_initialize
             subject.wait
           end
           t2 = in_thread { Thread.pass until t1.status == 'sleep' }
-          join_with t2, timeout: 5
+          join_with t2, 5
         end
 
         it 'allows the sleeping thread to be killed' do
@@ -148,7 +148,7 @@ def ns_initialize
             subject.synchronize {} # it will deadlock here if #wait doesn't release lock
             t2
           end
-          join_with t1, timeout: 5
+          join_with t1, 5
           expect(t1.value.status).to eq 'sleep'
         end
 
@@ -159,7 +159,7 @@ def ns_initialize
             subject.synchronize {} # it will deadlock here if #wait doesn't release lock
             t2
           end
-          join_with t1, timeout: 5
+          join_with t1, 5
           expect(t1.value.status).to eq 'sleep'
         end
       end

spec/support/example_group_extensions.rb

@@ -32,7 +32,7 @@ def in_thread(*args, &block)
       t
     end
 
-    def join_with(*threads, timeout: 0.1)
+    def join_with(threads, timeout = 0.1)
       Array(threads).each { |t| expect(t.join(timeout)).not_to eq nil }
     end
   end