Add default value to symbol tree unit test

Author: ShukantPal

packages/webdoc-parser/test/lang-ts.js

@@ -8,7 +8,7 @@ describe("@webdoc/parser.LanguageIntegration{@lang ts}", function() {
   it("should parse classes correctly", function() {
     let symtree = buildSymbolTree(`
       class ClassName {
-        private initProperty: number;
+        private initProperty: number = 11;
 
         constructor() {
           /**
@@ -48,6 +48,7 @@ describe("@webdoc/parser.LanguageIntegration{@lang ts}", function() {
     expect(symbolInitProperty.meta.dataType).to.not.equal(undefined);
     expect(symbolInitProperty.meta.dataType[0]).to.equal("number");
     expect(symbolInitProperty.meta.access).to.equal("private");
+    expect(symbolInitProperty.meta.defaultValue).to.equal(11);
     expect(symbolInitProperty.comment).to.not.equal("");
   });