add punctuation

spec/rolls/check-evaluation.spec.ts

@@ -3,19 +3,19 @@ import { assignSubChecksToDice } from "../../src/module/rolls/check-evaluation";
 Object.defineProperty(globalThis, "game", { value: { i18n: { localize: (key: string) => key } } });
 
 describe("assignSubChecksToDice with no dice", () => {
-    it("should throw an error", () => {
+    it("should throw an error.", () => {
         expect(() => assignSubChecksToDice([], 10)).toThrow("DS4.ErrorInvalidNumberOfDice");
     });
 });
 
 describe("assignSubChecksToDice with more dice than required by the checkTargetNumber", () => {
-    it("should throw an error", () => {
+    it("should throw an error.", () => {
         expect(() => assignSubChecksToDice([10, 10], 10)).toThrow("DS4.ErrorInvalidNumberOfDice");
     });
 });
 
 describe("assignSubChecksToDice with less dice than required by the checkTargetNumber", () => {
-    it("should throw an error", () => {
+    it("should throw an error.", () => {
         expect(() => assignSubChecksToDice([10], 21)).toThrow("DS4.ErrorInvalidNumberOfDice");
     });
 });