Chain test #1

Change-Id: If12669977f6d5e1d9ea9532b2725fc21e6140041

src/main.js

diff --git a/src/main.js b/src/main.js
index 56035dc..39a3f6e 100644
--- a/src/main.js
+++ b/src/main.js
@@ -4,4 +4,4 @@
 
 export function subtract(a, b) {
   return a - b;
-}
+}
\ No newline at end of file

src/main.test.js

diff --git a/src/main.test.js b/src/main.test.js
index aacdde3..030a3e6 100644
--- a/src/main.test.js
+++ b/src/main.test.js
@@ -9,4 +9,8 @@
   it("adds two numbers", () => {
     expect(add(3, 5)).to.equal(8);
   });
+
+  it("subtracts two number", () => {
+    expect(subtract(5, 3)).to.equal(2);
+  });
 });