问题 错误：（3,17）java：package org.junit不存在 - intellij

我最近开始使用IntelliJ来构建我的android应用程序项目。我将sherlock库导入为模块，并将依赖项添加到我的项目中。但是，当我尝试重建我的项目以检查任何错误时，我得到一行10个错误，如下所示：

Error:(3, 17) java: package org.junit does not exist
Error:(4, 24) java: package org.junit.runner does not exist
Error:(5, 23) java: package org.robolectric does not exist
Error:(7, 38) java: package org.fest.assertions.api does not exist
Error:(7, 1) java: static import only from classes and interfaces
Error:(9, 2) java: cannot find symbol
  symbol: class RunWith
Error:(11, 6) java: cannot find symbol
  symbol:   class Test
  location: class com.actionbarsherlock.internal.ResourcesCompatTest
Error:(13, 20) java: cannot find symbol
  symbol:   method cleanActivityName(java.lang.String,java.lang.String)
  location: class com.actionbarsherlock.internal.ResourcesCompatTest
Error:(15, 20) java: cannot find symbol
  symbol:   method cleanActivityName(java.lang.String,java.lang.String)
  location: class com.actionbarsherlock.internal.ResourcesCompatTest
Error:(17, 19) java: cannot find symbol
  symbol:   method cleanActivityName(java.lang.String,java.lang.String)
  location: class com.actionbarsherlock.internal.ResourcesCompatTest