style: Suppress RuboCop offenses

- Lint/RedundantStringCoercion
- Minitest/AssertInstanceOf

lib/god/process.rb

@@ -253,7 +253,7 @@ def call_action(action)
               $stdout.reopen(w)
               r.close
               pid = self.spawn(command)
-              puts pid.to_s # send pid back to forker
+              puts pid # send pid back to forker
               exit!(0)
             end
 

test/test_behavior.rb

@@ -4,7 +4,7 @@
 
 class TestBehavior < Minitest::Test
   def test_generate_should_return_an_object_corresponding_to_the_given_type
-    assert_equal Behaviors::FakeBehavior, Behavior.generate(:fake_behavior, nil).class
+    assert_instance_of Behaviors::FakeBehavior, Behavior.generate(:fake_behavior, nil)
   end
 
   def test_generate_should_raise_on_invalid_type

test/test_condition.rb

@@ -9,7 +9,7 @@ class TestCondition < Minitest::Test
   # generate
 
   def test_generate_should_return_an_object_corresponding_to_the_given_type
-    assert_equal Conditions::ProcessRunning, Condition.generate(:process_running, nil).class
+    assert_instance_of Conditions::ProcessRunning, Condition.generate(:process_running, nil)
   end
 
   def test_generate_should_raise_on_invalid_type

test/test_driver.rb

@@ -15,10 +15,10 @@ def test_push_pop_wait
     eq.push(God::TimedEvent.new(0.1))
     t = Thread.new do
       # This pop will see an event immediately available, so no wait.
-      assert_equal TimedEvent, eq.pop.class
+      assert_instance_of TimedEvent, eq.pop
 
       # This pop will happen before the next event is due, so wait.
-      assert_equal TimedEvent, eq.pop.class
+      assert_instance_of TimedEvent, eq.pop
     end
 
     t.join

test/test_task.rb

@@ -36,7 +36,7 @@ def test_transition_should_be_always_if_no_block_was_given
     @task.transition(:foo, :bar)
 
     assert_equal 5, @task.metrics.size
-    assert_equal Conditions::Always, @task.metrics[:foo].first.conditions.first.class
+    assert_instance_of Conditions::Always, @task.metrics[:foo].first.conditions.first
   end
 
   # method_missing