public KernPair(String firstKernCharacter, String secondKernCharacter, float x, float y)
    {
        this.firstKernCharacter = firstKernCharacter;
        this.secondKernCharacter = secondKernCharacter;
        this.x = x;
        this.y = y;
    }
@Test
    void testKernPair()
    {
        KernPair kernPair = new KernPair("firstKernCharacter", "secondKernCharacter", 10f, 20f);
        assertEquals("firstKernCharacter", kernPair.getFirstKernCharacter());
        assertEquals("secondKernCharacter", kernPair.getSecondKernCharacter());
        assertEquals(10f, kernPair.getX(), 0.0f);
        assertEquals(20f, kernPair.getY(), 0.0f);
    }