ld: warning: ignoring file /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/Library/Frameworks/XCTest.framework/XCTest,missing required architecture armv7 in file /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/Library/Frameworks/XCTest.framework/XCTest (2 slices)
Undefined symbols for architecture armv7:
  "_OBJC_MetaCLASS_$_XCTestSuite",referenced from:
      _OBJC_MetaCLASS_$__KWAllTestsSuite in libPods-TestTests.a(KWAllTestsSuite.o)
  "_OBJC_CLASS_$_XCTestSuite",referenced from:
      _OBJC_CLASS_$__KWAllTestsSuite in libPods-TestTests.a(KWAllTestsSuite.o)
      objc-class-ref in libPods-TestTests.a(KWAllTestsSuite.o)
      l_OBJC_$_CATEGORY_XCTestSuite_$_KWConfiguration in libPods-TestTests.a(KWAllTestsSuite.o)
  "_OBJC_MetaCLASS_$_XCTestCase",referenced from:
      _OBJC_MetaCLASS_$_TestTests in TestTests.o
      _OBJC_MetaCLASS_$_KWSpec in libPods-TestTests.a(KWSpec.o)
  "_OBJC_CLASS_$_XCTestCase",referenced from:
      _OBJC_CLASS_$_TestTests in TestTests.o
      _OBJC_CLASS_$_KWSpec in libPods-TestTests.a(KWSpec.o)
  "__XCTFailureHandler",referenced from:
      -[TestTests testExample] in TestTests.o
  "__XCTFailureFormat",referenced from:
      -[TestTests testExample] in TestTests.o
  "_OBJC_EHTYPE_$__XCTestCaseInterruptionException",referenced from:
  GCC_except_table2 in TestTests.o
ld: symbol(s) not found for architecture armv7

测试正在每个可用的模拟器上构建和运行.
没有Kiwi的XCTest测试正在构建并在iOS 8设备上成功运行.

编辑31.10删除了测试项目的链接