test: drop addDependencyTo because is deprecated, issue #27

Author: Scrum

package-lock.json

@@ -12,7 +12,7 @@
     "jscs": "^3.0.7",
     "jshint": "^2.8.0",
     "mocha": "^6.2.1",
-    "posthtml": "^0.11.3"
+    "posthtml": "^0.12.0"
   },
   "scripts": {
     "test": "npm run lint && mocha -R dot && npm run cover",

package.json

@@ -43,23 +43,6 @@ describe('Simple test', function() {
         );
     });
 
-    it('addDependencyTo option', function(done) {
-        var includePath = require('path').resolve('./test/blocks/button/button.html');
-
-        function test(filePath) {
-            try {
-                expect(filePath).to.eql(includePath);
-                done();
-            } catch(err) {
-                done(err);
-            }
-        }
-
-        posthtml()
-            .use(plugin({ addDependencyTo: { addDependency: test }}))
-            .process('<include src="./test/blocks/button/button.html">');
-    });
-
     it('messages dependency for addDependency', function(done) {
         var includePath = require('path').resolve('./test/blocks/button/button.html');