test: add unit test

Author: superskip

src/core_modules/capture-core/rules/__tests__/rulesEffectsForTrackerProgram.test.js

@@ -65,6 +65,13 @@ test('expressions with d2Functions in tracker program', () => {
                     location: 'feedback',
                     programRuleActionType: 'DISPLAYTEXT',
                 },
+                {
+                    id: 'gcp4CRVqa2B',
+                    displayContent: "d2:minutesBetween('2026-01-26', '2026-01-27') = ",
+                    data: "d2:minutesBetween('2026-01-26', '2026-01-27')",
+                    location: 'feedback',
+                    programRuleActionType: 'DISPLAYTEXT',
+                },
                 {
                     id: 'Foc3PhzoAVr',
                     displayContent: 'd2:count(#{undefinedVariable}) = ',
@@ -528,6 +535,14 @@ test('expressions with d2Functions in tracker program', () => {
                 message: "d2:validatePattern('d2:daysBetween( '2020-01-28', V{enrollment_date})', 108) false",
             },
         },
+        {
+            type: 'DISPLAYTEXT',
+            id: 'feedback',
+            displayText: {
+                id: 'gcp4CRVqa2B',
+                message: "d2:minutesBetween('2026-01-26', '2026-01-27') =  1440"
+            }
+        },
         {
             type: 'DISPLAYTEXT',
             id: 'feedback',