Updating test file to implement BigInt

Author: jagdish-15

exercises/practice/armstrong-numbers/.meta/config.json

@@ -6,6 +6,7 @@
     "ankorGH",
     "gargrave",
     "hayashi-ay",
+    "jagdish-15",
     "ovidiu141",
     "SleeplessByte",
     "xarxziux"

exercises/practice/armstrong-numbers/armstrong-numbers.spec.js

@@ -6,46 +6,45 @@ describe('Armstrong Numbers', () => {
     expect(isArmstrongNumber(0)).toEqual(true);
   });
 
-  xtest('Single digit numbers are Armstrong numbers', () => {
+  xtest('Single-digit numbers are Armstrong numbers', () => {
     expect(isArmstrongNumber(5)).toEqual(true);
   });
 
-  xtest('There are no 2 digit Armstrong numbers', () => {
+  xtest('There are no two-digit Armstrong numbers', () => {
     expect(isArmstrongNumber(10)).toEqual(false);
   });
 
-  xtest('Three digit number that is an Armstrong number', () => {
+  xtest('Three-digit number that is an Armstrong number', () => {
     expect(isArmstrongNumber(153)).toEqual(true);
   });
 
-  xtest('Three digit number that is not an Armstrong number', () => {
+  xtest('Three-digit number that is not an Armstrong number', () => {
     expect(isArmstrongNumber(100)).toEqual(false);
   });
 
-  xtest('Four digit number that is an Armstrong number', () => {
+  xtest('Four-digit number that is an Armstrong number', () => {
     expect(isArmstrongNumber(9474)).toEqual(true);
   });
 
-  xtest('Four digit number that is not an Armstrong number', () => {
+  xtest('Four-digit number that is not an Armstrong number', () => {
     expect(isArmstrongNumber(9475)).toEqual(false);
   });
 
-  xtest('Seven digit number that is an Armstrong number', () => {
+  xtest('Seven-digit number that is an Armstrong number', () => {
     expect(isArmstrongNumber(9926315)).toEqual(true);
   });
 
-  xtest('Seven digit number that is not an Armstrong number', () => {
+  xtest('Seven-digit number that is not an Armstrong number', () => {
     expect(isArmstrongNumber(9926314)).toEqual(false);
   });
 
   xtest('Armstrong number containing seven zeroes', () => {
-    const largeNumber = BigInt(`186709961001538790100634132976990`);
-    expect(isArmstrongNumber(largeNumber)).toEqual(true);
+    const bigInput = 186709961001538790100634132976990n;
+    expect(isArmstrongNumber(bigInput)).toEqual(true);
   });
 
   xtest('The largest and last Armstrong number', () => {
-    expect(
-      isArmstrongNumber(`115132219018763992565095597973971522401`),
-    ).toEqual(true);
+    const bigInput = 115132219018763992565095597973971522401n;
+    expect(isArmstrongNumber(bigInput)).toEqual(true);
   });
 });