Add test case for the 26-50 tier

Author: xetxeberria

exercises/tiered_pricing/solutions/xetxeberria-ts/src/tieredPricing.ts

@@ -12,6 +12,9 @@ function calculateLicensePrice(licenseAmount: number): number {
   if (licenseAmount >= 11) {
     licensePrice = 219;
   }
+  if (licenseAmount >= 26) {
+    licensePrice = 199;
+  }
 
   return licensePrice;
 }

exercises/tiered_pricing/solutions/xetxeberria-ts/tests/tieredPricing.test.ts

@@ -16,4 +16,8 @@ describe("TieredPricing should", () => {
   test("return 2409 for eleven licenses", async () => {
     expect(tieredPricing(11)).toBe(2409);
   });
+
+  test("return 5373 for twenty seven licenses", async () => {
+    expect(tieredPricing(27)).toBe(5373);
+  });
 });