diff --git a/lib/suo/client/base.rb b/lib/suo/client/base.rb
index 289f3d9..533dcec 100644
--- a/lib/suo/client/base.rb
+++ b/lib/suo/client/base.rb
@@ -49,7 +49,7 @@ module Suo
           val, cas = get(key)
 
           if val.nil?
-            set_initial(key)
+            initial_set(key)
             next
           end
 
@@ -94,7 +94,7 @@ module Suo
           val, cas = get(key)
 
           if val.nil?
-            set_initial(key)
+            initial_set(key)
             next
           end
 
@@ -123,7 +123,7 @@ module Suo
         fail NotImplementedError
       end
 
-      def set_initial(key) # rubocop:disable Lint/UnusedMethodArgument
+      def initial_set(key) # rubocop:disable Lint/UnusedMethodArgument
         fail NotImplementedError
       end
 
diff --git a/lib/suo/client/memcached.rb b/lib/suo/client/memcached.rb
index 7112200..a624490 100644
--- a/lib/suo/client/memcached.rb
+++ b/lib/suo/client/memcached.rb
@@ -20,7 +20,7 @@ module Suo
         @client.set_cas(key, newval, cas)
       end
 
-      def set_initial(key)
+      def initial_set(key)
         @client.set(key, "")
       end
     end
diff --git a/lib/suo/client/redis.rb b/lib/suo/client/redis.rb
index 8996bca..5f318d1 100644
--- a/lib/suo/client/redis.rb
+++ b/lib/suo/client/redis.rb
@@ -32,7 +32,7 @@ module Suo
         @client.unwatch
       end
 
-      def set_initial(key)
+      def initial_set(key)
         @client.set(key, "")
       end
     end
diff --git a/test/client_test.rb b/test/client_test.rb
index c7e7ec3..93544a9 100644
--- a/test/client_test.rb
+++ b/test/client_test.rb
@@ -87,7 +87,7 @@ module ClientTests
     ret.sort!
 
     assert_equal 0, output.size
-    assert_equal ["One", "Two"], ret
+    assert_equal %w(One Two), ret
   end
 
   def test_block_multiple_resource_locking
@@ -98,7 +98,7 @@ module ClientTests
 
     100.times.map do |i|
       Thread.new do
-        success = @client.lock(TEST_KEY, 50) do
+        success = client.lock(TEST_KEY, 50) do
           sleep(3)
           success_counter << i
         end
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 5a3867f..e48593e 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -6,4 +6,3 @@ require "minitest/autorun"
 require "minitest/benchmark"
 
 ENV["SUO_TEST"] = "true"
-