Add resources tests

src/Core/GatheringTimings.ts

@@ -16,7 +16,7 @@ export class GatheringTimings {
         this.crop = crop;
     }
 
-    get common(): GatheringTime {
+    private get common(): GatheringTime {
         const xs = [this.lumber, this.clay, this.iron, this.crop];
         return xs.reduce((m, t) => (m === 'never' || t === 'never' ? 'never' : Math.max(m, t)), 0);
     }

src/Core/HeroBalance.ts

@@ -27,11 +27,11 @@ function calcNeedResources(
     totalRequired: Resources,
     storage: ResourceStorage
 ): Resources {
-    if (!current.gt(required)) {
+    if (current.lt(required)) {
         return required.sub(current);
     }
 
-    if (!current.gt(totalRequired)) {
+    if (current.lt(totalRequired)) {
         return totalRequired.sub(current);
     }
 

src/Core/Resources.ts

@@ -86,21 +86,13 @@ export class Resources implements ResourcesInterface {
     }
 
     lt(other: ResourcesInterface): boolean {
-        return this.lumber < other.lumber && this.clay < other.clay && this.iron < other.iron && this.crop < other.crop;
+        return this.lumber < other.lumber || this.clay < other.clay || this.iron < other.iron || this.crop < other.crop;
     }
 
     gt(other: ResourcesInterface): boolean {
         return this.lumber > other.lumber && this.clay > other.clay && this.iron > other.iron && this.crop > other.crop;
     }
 
-    lte(other: ResourcesInterface): boolean {
-        return !this.gt(other);
-    }
-
-    gte(other: ResourcesInterface): boolean {
-        return !this.lt(other);
-    }
-
     min(other: ResourcesInterface): Resources {
         return new Resources(
             Math.min(this.lumber, other.lumber),