Rename SonarKit tests and testutils folder

Summary: Renames SonarKit tests and testutils folder

Reviewed By: passy

Differential Revision: D10017892

fbshipit-source-id: 0725e061ee2c6baa77a3d80af36375e08d9f415e

iOS/SonarKitTests/SonarCppBridgingTests.mm

@@ -1,41 +0,0 @@
-/*
- *  Copyright (c) 2018-present, Facebook, Inc.
- *
- *  This source code is licensed under the MIT license found in the LICENSE
- *  file in the root directory of this source tree.
- *
- */
-#import <XCTest/XCTest.h>
-
-#if FB_SONARKIT_ENABLED
-
-#import <FlipperKit/CppBridge/SonarCppWrapperPlugin.h>
-#import <FlipperKit/FlipperPlugin.h>
-
-using facebook::flipper::SonarCppWrapperPlugin;
-
-@interface DummyPlugin : NSObject <FlipperPlugin>
-@end
-
-@implementation DummyPlugin
-- (NSString *)identifier { return @"Dummy"; }
-- (void)didConnect:(id<FlipperConnection>)connection {}
-- (void)didDisconnect {}
-@end
-
-@interface SonarCppBridgingTests : XCTestCase
-@end
-
-@implementation SonarCppBridgingTests
-
-- (void)testCppWrapperRetainsObjCPlugin {
-  NSObject<FlipperPlugin> *dummyPlugin = [DummyPlugin new];
-  auto retainCountBefore = CFGetRetainCount((void *)dummyPlugin);
-  SonarCppWrapperPlugin wrapperPlugin(dummyPlugin);
-  auto retainCountAfter = CFGetRetainCount((void *)dummyPlugin);
-  XCTAssertTrue(retainCountAfter > retainCountBefore);
-}
-
-@end
-
-#endif