[google_sign_in] Add iOS unit tests

Author: jmagman

packages/google_sign_in/google_sign_in/CHANGELOG.md

@@ -1,6 +1,7 @@
 ## NEXT
 
 * Add iOS unit and UI integration test targets.
+* Add iOS unit tests.
 * Exclude arm64 simulators in example app.
 
 ## 5.0.4

packages/google_sign_in/google_sign_in/example/ios/Flutter/AppFrameworkInfo.plist

@@ -25,6 +25,6 @@
     <string>arm64</string>
   </array>
   <key>MinimumOSVersion</key>
-  <string>8.0</string>
+  <string>9.0</string>
 </dict>
 </plist>

packages/google_sign_in/google_sign_in/example/ios/Runner.xcodeproj/project.pbxproj

@@ -539,7 +539,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -589,7 +589,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";

packages/google_sign_in/google_sign_in/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -26,7 +26,8 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "YES">
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      codeCoverageEnabled = "YES">
       <MacroExpansion>
          <BuildableReference
             BuildableIdentifier = "primary"