fix failing test

Author: graemerocher

grails-plugin-interceptors/src/test/groovy/grails/artefact/InterceptorSpec.groovy

@@ -39,7 +39,7 @@ class InterceptorSpec extends Specification {
     void "Test the default interceptor mappings"() {
         given:"A test interceptor"
             def i = new TestInterceptor()
-            i.defaultMatcher()
+            i.setGrailsApplication(null)
             def webRequest = GrailsWebMockUtil.bindMockWebRequest()
             HttpServletRequest request = webRequest.request
         when:"The current request is for a controller called test"