convert test/interfaces/tdd.spec.js to unexpected

Signed-off-by: Christopher Hiller <boneskull@boneskull.com>

test/interfaces/tdd.spec.js

@@ -5,37 +5,37 @@ suite('integer primitives', function () {
     var initialValue = 41;
 
     suiteSetup(function (done) {
-      expect(initialValue).to.eql(41);
+      expect(initialValue, 'to be', 41);
       initialValue += 1;
       done();
     });
 
     test('should add', function () {
-      expect(initialValue).to.eql(42);
-      expect(1 + 1).to.equal(2);
-      expect(2 + 2).to.equal(4);
+      expect(initialValue, 'to be', 42);
+      expect(1 + 1, 'to be', 2);
+      expect(2 + 2, 'to be', 4);
     });
 
     test('should subtract', function () {
-      expect(initialValue).to.eql(42);
-      expect(1 - 1).to.equal(0);
-      expect(2 - 1).to.equal(1);
+      expect(initialValue, 'to be', 42);
+      expect(1 - 1, 'to be', 0);
+      expect(2 - 1, 'to be', 1);
     });
 
     test.skip('should skip this test', function () {
       var zero = 0;
-      expect(zero).to.equal(1, 'this test should have been skipped');
+      expect(zero, 'to be', 1);
     });
 
     suite.skip('should skip this suite', function () {
       test('should skip this test', function () {
         var zero = 0;
-        expect(zero).to.equal(1, 'this test should have been skipped');
+        expect(zero, 'to be', 1);
       });
     });
 
     suiteTeardown(function (done) {
-      expect(initialValue).to.eql(42);
+      expect(initialValue, 'to be', 42);
       done();
     });
   });