title: Missing required module Firebase - Jenkins build error
body: <p>I have configured jenkins for building my ios-swift application. i have used
  xcode version 8.1 and  swift version 3. I am new to Jenkins and continues integration process. Based on my console output, i think build is successful. bacause console output print like this</p>
  
  <pre><code> Touch build/testinng.app
          cd /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test
          export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
          /usr/bin/touch -c /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test/build/testinng.app
  
      CodeSign build/testinng.app
          cd /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test
          export CODESIGN_ALLOCATE=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/codesign_allocate
          export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
  
      Signing Identity:     "-"
  
          /usr/bin/codesign --force --sign - --timestamp=none /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test/build/testinng.app
  
      ** BUILD SUCCEEDED **
  
      2016-11-09 19:51:39.300 xcodebuild[2659:26623] [MT] IDETestOperationsObserverDebug: (E99CCCC3-8EED-4FBA-8A00-2CD3C0D7273F) Beginning test session testinngUITests-E99CCCC3-8EED-4FBA-8A00-2CD3C0D7273F at 2016-11-09 19:51:39.299 with Xcode 8B62 on target &lt;DVTiPhoneSimulator: 0x7f9dce6bc690&gt; {
              SimDevice: SimDevice : iPhone 7 (223F7310-19DF-4FA7-B147-73AB8B48454F) : state={ Booted } deviceType={ SimDeviceType : com.apple.CoreSimulator.SimDeviceType.iPhone-7 } runtime={ SimRuntime : 10.1 (14B72) - com.apple.CoreSimulator.SimRuntime.iOS-10-1 }
      } (10.1 (14B72))
  </code></pre>
  
  <p>But after this console output print failure message. </p>
  
  <pre><code>failed to import required module: 'Firebase'.
  </code></pre>
  
  <p>I gofinal console output like this.</p>
  
  <pre><code> Touch build/testinng.app
          cd /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test
          export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
          /usr/bin/touch -c /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test/build/testinng.app
  
      CodeSign build/testinng.app
          cd /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test
          export CODESIGN_ALLOCATE=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/codesign_allocate
          export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
  
      Signing Identity:     "-"
  
          /usr/bin/codesign --force --sign - --timestamp=none /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test/build/testinng.app
  
      ** BUILD SUCCEEDED **
  
      2016-11-09 19:51:39.300 xcodebuild[2659:26623] [MT] IDETestOperationsObserverDebug: (E99CCCC3-8EED-4FBA-8A00-2CD3C0D7273F) Beginning test session testinngUITests-E99CCCC3-8EED-4FBA-8A00-2CD3C0D7273F at 2016-11-09 19:51:39.299 with Xcode 8B62 on target &lt;DVTiPhoneSimulator: 0x7f9dce6bc690&gt; {
              SimDevice: SimDevice : iPhone 7 (223F7310-19DF-4FA7-B147-73AB8B48454F) : state={ Booted } deviceType={ SimDeviceType : com.apple.CoreSimulator.SimDeviceType.iPhone-7 } runtime={ SimRuntime : 10.1 (14B72) - com.apple.CoreSimulator.SimRuntime.iOS-10-1 }
      } (10.1 (14B72))
  
  
  === BUILD TARGET testinngTests OF PROJECT testinng WITH CONFIGURATION Debug ===
  
  Check dependencies
  
  Create product structure
  /bin/mkdir -p /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test/build/testinng.app/PlugIns/testinngTests.xctest
  
  ProcessInfoPlistFile build/testinng.app/PlugIns/testinngTests.xctest/Info.plist testinngTests/Info.plist
      cd /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test
      export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
      builtin-infoPlistUtility /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test/testinngTests/Info.plist -expandbuildsettings -format binary -platform iphonesimulator -o /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test/build/testinng.app/PlugIns/testinngTests.xctest/Info.plist
  
  CompileSwift normal x86_64 /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test/testinngTests/testinngTests.swift
      cd /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test
      /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c -primary-file /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test/testinngTests/testinngTests.swift -target x86_64-apple-ios10.0 -enable-objc-interop -sdk /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.1.sdk -I /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test/build -F /--akyiibisusqoudfyyfxubyhwzzgz/Build/Intermediates/testinng.build/Debug-iphonesimulator/testinngTests.build/Objects-normal/x86_64/testinngTests.swiftdeps -o /Users/Shared/Jenkins/Library/Developer/Xcode/DerivedData/testinng-akyiibisusqoudfyyfxubyhwzzgz/Build/Intermediates/testinng.build/Debug-iphonesimulator/testinngTests.build/Objects-normal/x86_64/testinngTests.o
  /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test/testinngTests/testinngTests.swift:10:18: error: missing required module 'Firebase'
  @testable import testinng
                   ^
  
  2016-11-09 19:51:48.418 xcodebuild[2659:26623] Error Domain=IDETestOperationsObserverErrorDomain Code=3 "Test operation was canceled. If you believe this error represents a bug, please attach the log file at /Users/Shared/Jenkins/Library/Developer/Xcode/DerivedData/testinng-akyiibisusqoudfyyfxubyhwzzgz/Logs/Test/B554B7BB-8F73-4B3F-8B9B-B07918ED46AB/Session-testinngUITests-2016-11-09_195139-CXzaIj.log" UserInfo={NSLocalizedDescription=Test operation was canceled. If you believe this error represents a bug, please attach the log file at /Users/Shared/Jenkins/Library/Developer/Xcode/DerivedData/testinng-akyiibisusqoudfyyfxubyhwzzgz/Logs/Test/B554B7BB-8F73-4B3F-8B9B-B07918ED46AB/Session-testinngUITests-2016-11-09_195139-CXzaIj.log}
  2016-11-09 19:51:48.418 xcodebuild[2659:26623] Error Domain=IDETestOperationsObserverErrorDomain Code=3 "Test operation was canceled. If you believe this error represents a bug, please attach the log file at /Users/Shared/Jenkins/Library/Developer/Xcode/DerivedData/testinng-akyiibisusqoudfyyfxubyhwzzgz/Logs/Test/B554B7BB-8F73-4B3F-8B9B-B07918ED46AB/Session-testinngTests-2016-11-09_195139-NdHjC1.log" UserInfo={NSLocalizedDescription=Test operation was canceled. If you believe this error represents a bug, please attach the log file at /Users/Shared/Jenkins/Library/Developer/Xcode/DerivedData/testinng-akyiibisusqoudfyyfxubyhwzzgz/Logs/Test/B554B7BB-8F73-4B3F-8B9B-B07918ED46AB/Session-testinngTests-2016-11-09_195139-NdHjC1.log}
  2016-11-09 19:51:48.419 xcodebuild[2659:27966] Connection peer refused channel request for "dtxproxy:XCTestManager_IDEInterface:XCTestManager_DaemonConnectionInterface"; channel canceled &lt;DTXChannel: 0x7f9dceef3b20&gt;
  2016-11-09 19:51:48.419 xcodebuild[2659:26664] Connection peer refused channel request for "dtxproxy:XCTestManager_IDEInterface:XCTestManager_DaemonConnectionInterface"; channel canceled &lt;DTXChannel: 0x7f9dcee7ded0&gt;
  
  Testing failed:
      Missing required module 'Firebase'
  ** TEST FAILED **
  
  
  The following build commands failed:
      CompileSwiftSources normal x86_64 com.apple.xcode.tools.swift.compiler
      CompileSwift normal x86_64 /Users/Shared/Jenkins/Home/workspace/testinng_Bit_Test/testinngTests/testinngTests.swift
  (2 failures)
  Build step 'Xcode' marked build as failure
  </code></pre>
  
  <p>What is the issue related with this?</p>