tests for watir-webdriver

tests

diff --git a/wait_spec.rb b/wait_spec.rb
index efcc0b0..6ac5cab 100644
--- a/wait_spec.rb
+++ b/wait_spec.rb
@@ -34,6 +34,24 @@ not_compliant_on [:webdriver, :safari] do
         }.to raise_error(Watir::Wait::TimeoutError, "timed out after 0.5 seconds, oops")
       end
     end
+
+    describe "#timer" do
+      it "returns default timer" do
+        expect(Wait.timer).to be_a(Wait::Timer)
+      end
+    end
+
+    describe "#timer=" do
+
+      after { Wait.timer = nil }
+        
+      it "changes default timer" do
+        timer = Class.new
+        Wait.timer = timer
+        expect(Wait.timer).to eq(timer) 
+      end
+    end
+   
   end
 
   describe Watir::Element do