diff --git a/Milestone/MilestoneTests/SampleTest.swift b/Milestone/MilestoneTests/SampleTest.swift
new file mode 100644
index 0000000..007bd0f
--- /dev/null
+++ b/Milestone/MilestoneTests/SampleTest.swift
@@ -0,0 +1,25 @@
+//
+//  SampleTest.swift
+//  MilestoneTests
+//
+//  Created by 박경준 on 2023/10/20.
+//
+
+import XCTest
+@testable import Milestone
+
+final class SampleTest: XCTestCase {
+
+    func testSample() {
+        // Given (Arrange)
+        let lhs = 100
+        let rhs = 200
+        
+        // When (Act)
+        let vm = CompletionViewModel()
+        let result = vm.sample(lhs: lhs, rhs: rhs)
+        
+        // Then (Assert)
+        XCTAssertEqual(result, 300)
+    }
+}