added #toBeTrue and #toBeFalse matchers

src/core/matchers/toBeFalse.js

@@ -0,0 +1,20 @@
+getJasmineRequireObj().toBeFalse = function() {
+  /**
+   * {@link expect} the actual value to be `false`.
+   * @function
+   * @name matchers#toBeFalse
+   * @example
+   * expect(result).toBeFalse();
+   */
+  function toBeFalse() {
+    return {
+      compare: function(actual) {
+        return {
+          pass: actual === false
+        };
+      }
+    };
+  }
+
+  return toBeFalse;
+};