PseudoRandomGlyphFactory factory = new PseudoRandomGlyphFactory(42, 7, 13); // T, Z, S, J...
Mock glyphListener = mock(GlyphListener.class);
Game game = new Game(factory, heartbeat, 7, 13);
game.addGlyphListener((GlyphListener) glyphListener);
glyphListener.stubs("reportGlyphMovement").never();
heartbeat.beat();
game.requestGlyphMovement(GlyphMovement.DOWN);
game.requestGlyphMovement(GlyphMovement.LEFT);
game.requestGlyphMovement(GlyphMovement.RIGHT);