message: Remove SymbolFilePDBTests.cpp from the list of tests to include in the
  lldb-gtest binary that xcode builds for -scheme lldb-gtest; these tests
  won't run on macosx systems.  Fixes testsuite failures we started
  seeing after 290819.
  <rdar://problem/29853778>
diff: 23DDF226196C3EE600BB8417 /* CommandOptionValidators.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 23DDF224196C3EE600BB8417 /* CommandOptionValidators.cpp */; };
  23E2E5251D90373D006F38BB /* ArchSpecTest.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 23E2E5161D903689006F38BB /* ArchSpecTest.cpp */; };
  23E2E5271D903782006F38BB /* MinidumpParserTest.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 23E2E51A1D9036F2006F38BB /* MinidumpParserTest.cpp */; };
  - 23E2E5291D9037D9006F38BB /* SymbolFilePDBTests.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 23CB15141D66CF8700EDDDE1 /* SymbolFilePDBTests.cpp */; };
  23E2E52B1D9037E6006F38BB /* ModuleCacheTest.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 23CB15011D66CD8400EDDDE1 /* ModuleCacheTest.cpp */; };
  23E2E5321D903832006F38BB /* BreakpointIDTest.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 23E2E52D1D90382B006F38BB /* BreakpointIDTest.cpp */; };
  23E2E5441D904913006F38BB /* MinidumpParser.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 23E2E5371D9048FB006F38BB /* MinidumpParser.cpp */; };
  23E2E5251D90373D006F38BB /* ArchSpecTest.cpp in Sources */,
  AF248A4D1DA71C77000B814D /* TestArm64InstEmulation.cpp in Sources */,
  23CB15371D66DA9300EDDDE1 /* PythonTestSuite.cpp in Sources */,
  - 23E2E5291D9037D9006F38BB /* SymbolFilePDBTests.cpp in Sources */,
  23E2E5321D903832006F38BB /* BreakpointIDTest.cpp in Sources */,
  23CB15381D66DA9300EDDDE1 /* PythonExceptionStateTests.cpp in Sources */,
  23CB15391D66DA9300EDDDE1 /* DataExtractorTest.cpp in Sources */,
  