Fix skipped tests in hash_spec

Author: dmgarland

spec/bitbucket_rest_api/core_ext/hash_spec.rb

@@ -13,23 +13,21 @@
   end
 
   context '#except!' do
-    # TODO fix this test after fixing except!
-    xit 'should respond to except!' do
+    it 'should respond to except!' do
       @nested_hash.should respond_to :except!
       copy = @nested_hash.dup
-      copy.except!('b', 'a')
-      copy.should be_empty
+      copy.except!('b', 'a', 'c')
+      expect(copy).to be_empty
     end
   end
 
   context '#except' do
     it 'should respond to except' do
-      expect(@nested_hash).to respond_to :except
+      @nested_hash.should respond_to :except
     end
 
-    # TODO fix this test after fixing except!
-    xit 'should remove key from the hash' do
-      @nested_hash.except('a').should be_empty
+    it 'should remove key from the hash' do
+      expect(@nested_hash.except('a')).to be_empty
     end
   end