More action test cases

app/imports/api/engine/action/functions/InputProvider.ts

@@ -1,4 +1,9 @@
 type InputProvider = {
+  /**
+   * Roll dice
+   * @param dice How many dice
+   * @param diceSize How many faces per die
+   */
   rollDice(
     dice: { number: number, diceSize: number }[]
   ): Promise<number[][]>;
@@ -12,6 +17,10 @@ type InputProvider = {
     choices: ({ _id: string } & Record<string, any>)[],
     quantity?: [min: number, max: number],
   ): Promise<string[]>;
+  /**
+   * Get advantage, natural, or disadvantage for a d20 roll
+   */
+  advantage(suggestedAdvantage: 0 | 1 | -1): Promise<0 | 1 | -1>;
 }
 
 export default InputProvider;