tests: add mock for FontFace and it to vitest setup (#1591)

src/test/fontFace.setup.ts

@@ -0,0 +1,17 @@
+class FontFaceMock {
+  family: string;
+  source: string;
+  descriptors: any;
+
+  constructor(family: string, source: string, descriptors?: any) {
+    this.family = family;
+    this.source = source;
+    this.descriptors = descriptors;
+  }
+
+  load(): Promise<FontFaceMock> {
+    return Promise.resolve(this);
+  }
+}
+
+globalThis.FontFace = FontFaceMock as any;

src/test/vitest.setup.ts

@@ -1,5 +1,6 @@
 import "vitest-canvas-mock";
 import "#app/test/phaser.setup";
+import "#app/test/fontFace.setup";
 import {initStatsKeys} from "#app/ui/game-stats-ui-handler";
 import {initPokemonPrevolutions} from "#app/data/pokemon-evolutions";
 import {initBiomes} from "#app/data/biomes";