diff --git a/Example/Tests/GradientLoadingBarTests.swift b/Example/Tests/GradientLoadingBarTests.swift
index e49cd8d..6898637 100644
--- a/Example/Tests/GradientLoadingBarTests.swift
+++ b/Example/Tests/GradientLoadingBarTests.swift
@@ -61,11 +61,11 @@ class GradientLoadingBarTests: XCTestCase {
     }
 
     func testToggle() {
-        for i in 1 ... 100 {
+        for idx in 1 ... 100 {
             gradientLoadingBar.toggle()
 
             // Visible on first iteration, after first call to toggle.
-            let isVisible = (i % 2) == 1
+            let isVisible = (idx % 2) == 1
 
             XCTAssertEqual(gradientLoadingBar.isVisible, isVisible)
             XCTAssertEqual(superview.subviews.count, 1)
diff --git a/Example/Tests/ViewModel/GradientLoadingBarViewModelTest.swift b/Example/Tests/ViewModel/GradientLoadingBarViewModelTest.swift
index d01e688..9bb831b 100644
--- a/Example/Tests/ViewModel/GradientLoadingBarViewModelTest.swift
+++ b/Example/Tests/ViewModel/GradientLoadingBarViewModelTest.swift
@@ -104,12 +104,12 @@ class GradientLoadingBarViewModelTest: XCTestCase {
     }
 
     func testToggleShouldUpdateVisibility() {
-        for i in 1 ... 5 {
+        for idx in 1 ... 5 {
             viewModel.toggle()
 
-            let isOdd = i % 2 == 1
+            let isOdd = idx % 2 == 1
             XCTAssertEqual(delegateMock.isVisible, isOdd)
-            XCTAssertEqual(delegateMock.visiblityCounter, i)
+            XCTAssertEqual(delegateMock.visiblityCounter, idx)
         }
     }
 }