Add first UI Test.

Author: Boris-Em

Sample Project/CheckBoxUITests/CheckBoxUITests.m

@@ -7,6 +7,7 @@
 //
 
 #import <XCTest/XCTest.h>
+#import "BEMCheckBox.h"
 
 @interface CheckBoxUITests : XCTestCase
 
@@ -25,4 +26,15 @@ - (void)tearDown {
     [super tearDown];
 }
 
+- (void)testOn {
+    XCUIElement *element = [[[[[[[[XCUIApplication alloc] init].otherElements containingType:XCUIElementTypeNavigationBar identifier:@"BEMCheckBox"] childrenMatchingType:XCUIElementTypeOther].element childrenMatchingType:XCUIElementTypeOther].element childrenMatchingType:XCUIElementTypeOther].element childrenMatchingType:XCUIElementTypeOther] elementBoundByIndex:0];
+    XCTAssertTrue(element.isHittable);
+    
+    [element tap];
+    XCTAssertTrue(element.isHittable);
+    
+    [element tap];
+    XCTAssertTrue(element.isHittable);
+}
+
 @end