iKnowJavaScript
diff --git a/‎operations/operations.js
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-1Lines changed: 0 additions & 1 deletion b/‎operations/operations.js
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-1Lines changed: 0 additions & 1 deletion
diff --git a/‎operations/operations.test.js
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+17-1Lines changed: 17 additions & 1 deletion b/‎operations/operations.test.js
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+17-1Lines changed: 17 additions & 1 deletion
@@ -17,6 +17,5 @@ const addAll = function() {
   return total;
 };
 
-//console.log(addAll(11, false, 3, 4, 5, 6, 7, 8, 8, 9, 10));
 
 module.exports = { add, addAll };
@@ -1,4 +1,4 @@
-const { add, addAll } = require("./operations");
+const { add, addAll, subtract } = require("./operations");
 
 //Testing Add implementation
 describe("Testing Add implementation", () => {
@@ -28,3 +28,19 @@ describe("Add operation for Infinite numbers", () => {
     expect(logError).toThrowError(Error);
   });
 });
+
+//Testing Subbtaction implementation
+describe("Testing Subbtaction implementation", () => {
+  it("Subtraction of 1 and 1", () => {
+    expect(subtract(1, 1)).toBe(0);
+  });
+  it("Subtraction of 23 and 50", () => {
+    expect(subtract(23, 50)).toBe(-27);
+  });
+  it("Subtraction of 21 and 111", () => {
+    expect(subtract(111, 21)).toBe(90);
+  });
+  it("Parameter should only be Numbers", () => {
+    expect(subtract(3, "4")).toBeFalsy();
+  });
+});