Updating tests for gigasecond (#2586)

exercises/practice/gigasecond/.meta/config.json

@@ -5,6 +5,7 @@
   "contributors": [
     "ankorGH",
     "draalger",
+    "jagdish-15",
     "kytrinyx",
     "matthewmorgan",
     "paparomeo",

exercises/practice/gigasecond/.meta/tests.toml

@@ -1,6 +1,13 @@
-# This is an auto-generated file. Regular comments will be removed when this
-# file is regenerated. Regenerating will not touch any manually added keys,
-# so comments can be added in a "comment" key.
+# This is an auto-generated file.
+#
+# Regenerating this file via `configlet sync` will:
+# - Recreate every `description` key/value pair
+# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications
+# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion)
+# - Preserve any other key/value pair
+#
+# As user-added comments (using the # character) will be removed when this file
+# is regenerated, comments can be added via a `comment` key.
 
 [92fbe71c-ea52-4fac-bd77-be38023cacf7]
 description = "date only specification of time"
@@ -16,3 +23,6 @@ description = "full time specified"
 
 [09d4e30e-728a-4b52-9005-be44a58d9eba]
 description = "full time with day roll-over"
+
+[fcec307c-7529-49ab-b0fe-20309197618a]
+description = "does not mutate the input"

exercises/practice/gigasecond/gigasecond.spec.js

@@ -38,8 +38,8 @@ describe('Gigasecond', () => {
   });
 
   xtest('does not mutate the input', () => {
-    const input = new Date(Date.UTC(2020, 0, 4, 20, 28, 30));
+    const input = new Date(Date.UTC(2015, 1, 24, 23, 59, 59));
     gigasecond(input);
-    expect(input).toEqual(new Date(Date.UTC(2020, 0, 4, 20, 28, 30)));
+    expect(input).toEqual(new Date(Date.UTC(2015, 1, 24, 23, 59, 59)));
   });
 });