         size = CGSize(width: 25, height: 25)
         adjustedSize = CGSize(width: 50, height: 30)
         adjustedImage = image!.adjusts(size, scale: 2, contentMode: .ScaleAspectFit)
-        XCTAssertEqual(adjustedSize, adjustedImage.size, "adjust size is failed")
+        XCTAssertEqual(adjustedSize, adjustedImage.size)
 
         size = CGSize(width: 25, height: 30)
         adjustedSize = CGSize(width: 50, height: 30)
         adjustedImage = image!.adjusts(size, scale: 2, contentMode: .ScaleAspectFit)
-        XCTAssertEqual(adjustedSize, adjustedImage.size, "adjust size is failed")
+        XCTAssertEqual(adjustedSize, adjustedImage.size)
 
         size = CGSize(width: 30, height: 15)
         adjustedSize = CGSize(width: 50, height: 30)
         adjustedImage = image!.adjusts(size, scale: 2, contentMode: .ScaleAspectFit)
-        XCTAssertEqual(adjustedSize, adjustedImage.size, "adjust size is failed")
+        XCTAssertEqual(adjustedSize, adjustedImage.size)
     }
 
 }

        size = CGSize(width: 50, height: 50)
        adjustedSize = CGSize(width: 50, height: 30)
        adjustedImage = image!.adjusts(size, scale: 1, contentMode: .ScaleAspectFit)
        XCTAssertEqual(adjustedSize, adjustedImage.size, "adjust size is failed")

        size = CGSize(width: 50, height: 60)
        adjustedSize = CGSize(width: 50, height: 30)
        adjustedImage = image!.adjusts(size, scale: 1, contentMode: .ScaleAspectFit)
        XCTAssertEqual(adjustedSize, adjustedImage.size, "adjust size is failed")

        size = CGSize(width: 60, height: 30)
        adjustedSize = CGSize(width: 50, height: 30)
        adjustedImage = image!.adjusts(size, scale: 1, contentMode: .ScaleAspectFit)
        XCTAssertEqual(adjustedSize, adjustedImage.size, "adjust size is failed")
    }

    func testImageAdjustsRectangleScaleAspectFit2() {

        size = CGSize(width: 50, height: 50)
        adjustedSize = CGSize(width: 50, height: 50)
        adjustedImage = image!.adjusts(size, scale: 1, contentMode: .ScaleAspectFit)
        XCTAssertEqual(adjustedSize, adjustedImage.size)

        size = CGSize(width: 50, height: 50)
        adjustedImage = image!.adjusts(size, scale: 2, contentMode: .ScaleAspectFit)
        adjustedSize = CGSize(width: 100, height: 100)
        XCTAssertEqual(adjustedSize, adjustedImage.size)

        size = CGSize(width: 200, height: 200)
        adjustedImage = image!.adjusts(size, scale: 1, contentMode: .ScaleAspectFit)
        adjustedSize = CGSize(width: 100, height: 100)
        XCTAssertEqual(adjustedSize, adjustedImage.size)
    }

    func testImageAdjustsRectangleScaleAspectFit1() {
