     }
     
     func testNeedleImageViewCreated() {
-        XCTAssertNotNil(fuelGauge.needleImage, "Needle image not created.")
+        XCTAssertNotNil(fuelGauge.needleImage, "Needle view not created.")
     }
     
     func testNeedleSubviewSizedToBounds() {

        XCTAssertNotNil(needleImage, "Needle image not loaded")
    }
    
}

    }
    
    func testBackgroundImageViewCreated() {
        XCTAssertNotNil(fuelGauge.backgroundImage, "Background view not created.")
    }
    
    func testNumberOfSubviews() {
