diff --git a/exercises/practice/game-of-life/test/game_of_life_test.dart b/exercises/practice/game-of-life/test/game_of_life_test.dart
index 728239fb..970e8af4 100644
--- a/exercises/practice/game-of-life/test/game_of_life_test.dart
+++ b/exercises/practice/game-of-life/test/game_of_life_test.dart
@@ -4,20 +4,20 @@ import 'package:test/test.dart';
 void main() {
   group('Game of Life', () {
     test('empty matrix', () {
-      final List<List<int>> matrix = [];
-      final game = GameOfLife(matrix);
+      final List<List<int>> input = [];
+      final game = GameOfLife(input);
       game.tick();
       final List<List<int>> expected = [];
       expect(game.matrix(), expected);
     }, skip: false);
 
     test('live cells with zero live neighbors die', () {
-      final List<List<int>> matrix = [
+      final List<List<int>> input = [
         [0, 0, 0],
         [0, 1, 0],
         [0, 0, 0],
       ];
-      final game = GameOfLife(matrix);
+      final game = GameOfLife(input);
       game.tick();
       final List<List<int>> expected = [
         [0, 0, 0],
@@ -28,12 +28,12 @@ void main() {
     }, skip: true);
 
     test('live cells with only one live neighbor die', () {
-      final List<List<int>> matrix = [
+      final List<List<int>> input = [
         [0, 0, 0],
         [0, 1, 0],
         [0, 1, 0],
       ];
-      final game = GameOfLife(matrix);
+      final game = GameOfLife(input);
       game.tick();
       final List<List<int>> expected = [
         [0, 0, 0],
@@ -44,12 +44,12 @@ void main() {
     }, skip: true);
 
     test('live cells with two live neighbors stay alive', () {
-      final List<List<int>> matrix = [
+      final List<List<int>> input = [
         [1, 0, 1],
         [1, 0, 1],
         [1, 0, 1],
       ];
-      final game = GameOfLife(matrix);
+      final game = GameOfLife(input);
       game.tick();
       final List<List<int>> expected = [
         [0, 0, 0],
@@ -60,12 +60,12 @@ void main() {
     }, skip: true);
 
     test('live cells with three live neighbors stay alive', () {
-      final List<List<int>> matrix = [
+      final List<List<int>> input = [
         [0, 1, 0],
         [1, 0, 0],
         [1, 1, 0],
       ];
-      final game = GameOfLife(matrix);
+      final game = GameOfLife(input);
       game.tick();
       final List<List<int>> expected = [
         [0, 0, 0],
@@ -76,12 +76,12 @@ void main() {
     }, skip: true);
 
     test('dead cells with three live neighbors become alive', () {
-      final List<List<int>> matrix = [
+      final List<List<int>> input = [
         [1, 1, 0],
         [0, 0, 0],
         [1, 0, 0],
       ];
-      final game = GameOfLife(matrix);
+      final game = GameOfLife(input);
       game.tick();
       final List<List<int>> expected = [
         [0, 0, 0],
@@ -92,12 +92,12 @@ void main() {
     }, skip: true);
 
     test('live cells with four or more neighbors die', () {
-      final List<List<int>> matrix = [
+      final List<List<int>> input = [
         [1, 1, 1],
         [1, 1, 1],
         [1, 1, 1],
       ];
-      final game = GameOfLife(matrix);
+      final game = GameOfLife(input);
       game.tick();
       final List<List<int>> expected = [
         [1, 0, 1],
@@ -108,7 +108,7 @@ void main() {
     }, skip: true);
 
     test('bigger matrix', () {
-      final List<List<int>> matrix = [
+      final List<List<int>> input = [
         [1, 1, 0, 1, 1, 0, 0, 0],
         [1, 0, 1, 1, 0, 0, 0, 0],
         [1, 1, 1, 0, 0, 1, 1, 1],
@@ -118,7 +118,7 @@ void main() {
         [0, 0, 1, 0, 1, 0, 0, 1],
         [1, 0, 0, 0, 0, 0, 1, 1],
       ];
-      final game = GameOfLife(matrix);
+      final game = GameOfLife(input);
       game.tick();
       final List<List<int>> expected = [
         [1, 1, 0, 1, 1, 0, 0, 0],