Adds generator support for Xcode 5 xctest targets.

test/mac/xctest/test.xcodeproj/xcshareddata/xcschemes/classes.xcscheme

Index: test/mac/xctest/test.xcodeproj/xcshareddata/xcschemes/classes.xcscheme
===================================================================
--- test/mac/xctest/test.xcodeproj/xcshareddata/xcschemes/classes.xcscheme	(revision 0)
+++ test/mac/xctest/test.xcodeproj/xcshareddata/xcschemes/classes.xcscheme	(working copy)
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="UTF-8"?>

[Mark Mentovai, 2013/10/30 22:45:33]

It might be nice, for future additions, to not have to supply this file but to
have it be generated somehow.

+<Scheme
+   LastUpgradeVersion = "0500"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "D3B79173B4570A3C70A902FF"
+               BuildableName = "libclasses.a"
+               BlueprintName = "classes"
+               ReferencedContainer = "container:test.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      buildConfiguration = "Default">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "2ACDAB234B9E5D65CACBCF9C"
+               BuildableName = "tests.xctest"
+               BlueprintName = "tests"
+               ReferencedContainer = "container:test.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Default"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      allowLocationSimulation = "YES">
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Default"
+      debugDocumentVersioning = "YES">
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Default">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Default"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>