Add simple specs for helper methods and subject

opal/opal/rspec/text_formatter.rb

@@ -32,7 +32,7 @@ def dump_summary(duration, example_count, failure_count, pending_count)
         @failure_count = failure_count
         @pending_count = pending_count
 
-        msg = "\n\n#{example_count} examples, #{failure_count} failures (time taken: #{duration})"
+        msg = "\n#{example_count} examples, #{failure_count} failures (time taken: #{duration})"
 
         if failure_count == 0
           green msg

spec/example_spec.rb

@@ -42,6 +42,30 @@ def opal_rspec_include_helper
   end
 end
 
+describe "helper methods" do
+  def some_helper
+    :present
+  end
+
+  it "should be available" do
+    some_helper.should eq(:present)
+  end
+
+  describe "nested group" do
+    it "should work in nested groups" do
+      some_helper.should eq(:present)
+    end
+  end
+end
+
+describe "subject" do
+  subject { [1, 2, 3] }
+
+  it "a new instance should be the subject" do
+    subject.should be_kind_of(Array)
+  end
+end
+
 describe "Simple expectations" do
   before do
     @bar = 200