Travis fix

tests/directives/fiat_spec.coffee

@@ -63,12 +63,15 @@ describe "Fiat Directive", ->
     )
 
   describe "updateFiat", ->
+    beforeEach ->
+      isoScope.fiat = { currencySymbol: '$', amount: 100 }
+      isoScope.$root = {
+        # Travis sometimes breaks with the real thing.
+        $safeApply: () ->
+      }
 
     describe "(fail)", ->
 
-      beforeEach ->
-        isoScope.fiat = { currencySymbol: '$', amount: 100 }
-
       afterEach ->
         isoScope.updateFiat()
         expect(isoScope.fiat).toEqual({ currencySymbol: null, amount: null })