GULAppDelegateSwizzlerTests fix (#2657)

Author: maksymmalyhin

GoogleUtilities/AppDelegateSwizzler/GULAppDelegateSwizzler.m

@@ -277,9 +277,8 @@ + (void)createSubclassWithObject:(id<UIApplicationDelegate>)anObject {
   // Create GUL_<RealAppDelegate>_<timestampMs>
   NSString *classNameWithPrefix =
       [kGULAppDelegatePrefix stringByAppendingString:NSStringFromClass(realClass)];
-  NSTimeInterval timestamp = [NSDate date].timeIntervalSince1970;
   NSString *newClassName =
-      [NSString stringWithFormat:@"%@-%0.0f", classNameWithPrefix, timestamp * 1000];
+      [NSString stringWithFormat:@"%@-%@", classNameWithPrefix, [NSUUID UUID].UUIDString];
 
   if (NSClassFromString(newClassName)) {
     GULLogError(kGULLoggerSwizzler, NO,

GoogleUtilities/Example/GoogleUtilities.xcodeproj/project.pbxproj

@@ -13,6 +13,7 @@
 		6003F5B0195388D20070C39A /* XCTest.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 6003F5AF195388D20070C39A /* XCTest.framework */; };
 		6003F5B1195388D20070C39A /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 6003F58D195388D20070C39A /* Foundation.framework */; };
 		6003F5B2195388D20070C39A /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 6003F591195388D20070C39A /* UIKit.framework */; };
+		9A7C37C2224BD9C600033B0D /* GULAppDelegateSwizzlerTest.m in Sources */ = {isa = PBXBuildFile; fileRef = EFBE67F92101401100E756A7 /* GULAppDelegateSwizzlerTest.m */; };
 		DE5CF98E20F686310063FFDD /* GULAppEnvironmentUtilTest.m in Sources */ = {isa = PBXBuildFile; fileRef = DE5CF98C20F686290063FFDD /* GULAppEnvironmentUtilTest.m */; };
 		DE84BBC421D7EC900048A176 /* GULUserDefaultsTests.m in Sources */ = {isa = PBXBuildFile; fileRef = DE84BBC321D7EC900048A176 /* GULUserDefaultsTests.m */; };
 		DE84BBC521D7EC900048A176 /* GULUserDefaultsTests.m in Sources */ = {isa = PBXBuildFile; fileRef = DE84BBC321D7EC900048A176 /* GULUserDefaultsTests.m */; };
@@ -618,6 +619,7 @@
 				DEC977D920F68C3300014E20 /* GULNetworkTest.m in Sources */,
 				EFBE67FA2101401100E756A7 /* GULSwizzlerTest.m in Sources */,
 				EFBE67FD2101401100E756A7 /* GULObjectSwizzlerTest.m in Sources */,
+				9A7C37C2224BD9C600033B0D /* GULAppDelegateSwizzlerTest.m in Sources */,
 				EFBE67FE2101401100E756A7 /* GULRuntimeClassSnapshotTests.m in Sources */,
 				EFBE67FC2101401100E756A7 /* GULRuntimeClassDiffTests.m in Sources */,
 				DE5CF98E20F686310063FFDD /* GULAppEnvironmentUtilTest.m in Sources */,

GoogleUtilities/Example/GoogleUtilities.xcodeproj/xcshareddata/xcschemes/Example_iOS.xcscheme

@@ -26,6 +26,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      codeCoverageEnabled = "YES"
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
          <TestableReference

GoogleUtilities/Example/Tests/Swizzler/GULAppDelegateSwizzlerTest.m

@@ -199,6 +199,7 @@ @implementation GULAppDelegateSwizzlerTest
 
 - (void)tearDown {
   [GULAppDelegateSwizzler clearInterceptors];
+  [super tearDown];
 }
 
 /** Tests proxying an object that responds to UIApplicationDelegate protocol and makes sure that