Fixed lints.

Author: DanielRosenwasser

src/harness/harness.ts

@@ -420,7 +420,7 @@ namespace Utils {
 
     const maxHarnessFrames = 1;
 
-    export function filterStack(error: Error, stackTraceLimit: number = Infinity) {
+    export function filterStack(error: Error, stackTraceLimit = Infinity) {
         const stack = <string>(<any>error).stack;
         if (stack) {
             const lines = stack.split(/\r\n?|\n/g);

src/lib/es2015.symbol.wellknown.d.ts

@@ -110,7 +110,7 @@ interface Map<K, V> {
     readonly [Symbol.toStringTag]: "Map";
 }
 
-interface WeakMap<K extends object, V>{
+interface WeakMap<K extends object, V> {
     readonly [Symbol.toStringTag]: "WeakMap";
 }