Detect and diagnose memory issues

// Monitor memory performance with XCTests

func testSaveMeal() {
    let app = XCUIApplication()
        
    let options = XCTMeasureOptions()
    options.invocationOptions = [.manuallyStart]
        
    measure(metrics: [XCTMemoryMetric(application: app)],
            options: options) {

        app.launch()

        startMeasuring()

        app.cells.firstMatch.buttons["Save meal"].firstMatch.tap()
            
             let savedButton = app.cells.firstMatch.buttons["Saved"].firstMatch
        XCTAssertTrue(savedButton.waitForExistence(timeout: 30))
    }
}