diff --git a/test/fixtures/controller.bar/data-key.js b/test/fixtures/controller.bar/data-key.js
index 8f971f325de..7852da78079 100644
--- a/test/fixtures/controller.bar/data-key.js
+++ b/test/fixtures/controller.bar/data-key.js
@@ -5,8 +5,8 @@ module.exports = {
 			labels: [0, 1, 3, 4],
 			datasets: [
 				{
-                    data2: [5, 20, 10, 11],
-                    dataKey: 'data2',
+					data2: [5, 20, 10, 11],
+					dataKey: 'data2',
 					backgroundColor: '#00ff00',
 					borderColor: '#ff0000',
 					borderWidth: 2,
diff --git a/test/fixtures/controller.doughnut/data-key.js b/test/fixtures/controller.doughnut/data-key.js
index 32e60fb84c8..212693ee0e3 100644
--- a/test/fixtures/controller.doughnut/data-key.js
+++ b/test/fixtures/controller.doughnut/data-key.js
@@ -1,30 +1,30 @@
 module.exports = {
-    config: {
-        type: 'doughnut',
-        data: {
-            labels: ['A', 'B', 'C', 'D', 'E'],
-            datasets: [{
-                data2: [1, 5, 10, 50, 100],
-                dataKey: 'data2',
-                backgroundColor: [
-                    'rgba(255, 99, 132, 0.8)',
-                    'rgba(54, 162, 235, 0.8)',
-                    'rgba(255, 206, 86, 0.8)',
-                    'rgba(75, 192, 192, 0.8)',
-                    'rgba(153, 102, 255, 0.8)'
-                ],
-                borderWidth: 20,
-                borderColor: [
-                    'rgb(255, 99, 132)',
-                    'rgb(54, 162, 235)',
-                    'rgb(255, 206, 86)',
-                    'rgb(75, 192, 192)',
-                    'rgb(153, 102, 255)'
-                ]
-            }]
-        },
-        options: {
-            responsive: false
-        }
-    }
+	config: {
+		type: 'doughnut',
+		data: {
+			labels: ['A', 'B', 'C', 'D', 'E'],
+			datasets: [{
+				data2: [1, 5, 10, 50, 100],
+				dataKey: 'data2',
+				backgroundColor: [
+					'rgba(255, 99, 132, 0.8)',
+					'rgba(54, 162, 235, 0.8)',
+					'rgba(255, 206, 86, 0.8)',
+					'rgba(75, 192, 192, 0.8)',
+					'rgba(153, 102, 255, 0.8)'
+				],
+				borderWidth: 20,
+				borderColor: [
+					'rgb(255, 99, 132)',
+					'rgb(54, 162, 235)',
+					'rgb(255, 206, 86)',
+					'rgb(75, 192, 192)',
+					'rgb(153, 102, 255)'
+				]
+			}]
+		},
+		options: {
+			responsive: false
+		}
+	}
 }
diff --git a/test/fixtures/controller.line/data-key.js b/test/fixtures/controller.line/data-key.js
index 13b65083a84..2f8322b54a7 100644
--- a/test/fixtures/controller.line/data-key.js
+++ b/test/fixtures/controller.line/data-key.js
@@ -5,11 +5,11 @@ module.exports = {
 			labels: [0, 1, 3, 4],
 			datasets: [
 				{
-                    data2: [5, 20, 10, 11],
-                    dataKey: 'data2',
+					data2: [5, 20, 10, 11],
+					dataKey: 'data2',
 					borderColor: '#ff0000',
-                    borderWidth: 2,
-                    fill: false,
+					borderWidth: 2,
+					fill: false,
 				}
 			]
 		},
diff --git a/test/fixtures/controller.polarArea/data-key.js b/test/fixtures/controller.polarArea/data-key.js
index f377fb51a7b..5cbd8faabad 100644
--- a/test/fixtures/controller.polarArea/data-key.js
+++ b/test/fixtures/controller.polarArea/data-key.js
@@ -1,39 +1,39 @@
 module.exports = {
-    config: {
-        type: 'polarArea',
-        data: {
-            labels: ['A', 'B', 'C', 'D', 'E'],
-            datasets: [{
-                data2: [11, 16, 21, 1, 10],
-                dataKey: 'data2',
-                backgroundColor: [
-                    'rgba(255, 99, 132, 0.8)',
-                    'rgba(54, 162, 235, 0.8)',
-                    'rgba(255, 206, 86, 0.8)',
-                    'rgba(75, 192, 192, 0.8)',
-                    'rgba(153, 102, 255, 0.8)'
-                ],
-                borderColor: [
-                    'rgb(255, 99, 132)',
-                    'rgb(54, 162, 235)',
-                    'rgb(255, 206, 86)',
-                    'rgb(75, 192, 192)',
-                    'rgb(153, 102, 255)'
-                ]
-            }]
-        },
-        options: {
-            elements: {
-                arc: {
-                    angle: [
-                        2.1658, 10.8404, 21.6922, 108.4323, 216.8588
-                    ]
-                }
-            },
-            responsive: false,
-            scale: {
-                display: false
-            }
-        }
-    }
+	config: {
+		type: 'polarArea',
+		data: {
+			labels: ['A', 'B', 'C', 'D', 'E'],
+			datasets: [{
+				data2: [11, 16, 21, 1, 10],
+				dataKey: 'data2',
+				backgroundColor: [
+					'rgba(255, 99, 132, 0.8)',
+					'rgba(54, 162, 235, 0.8)',
+					'rgba(255, 206, 86, 0.8)',
+					'rgba(75, 192, 192, 0.8)',
+					'rgba(153, 102, 255, 0.8)'
+				],
+				borderColor: [
+					'rgb(255, 99, 132)',
+					'rgb(54, 162, 235)',
+					'rgb(255, 206, 86)',
+					'rgb(75, 192, 192)',
+					'rgb(153, 102, 255)'
+				]
+			}]
+		},
+		options: {
+			elements: {
+				arc: {
+					angle: [
+						2.1658, 10.8404, 21.6922, 108.4323, 216.8588
+					]
+				}
+			},
+			responsive: false,
+			scale: {
+				display: false
+			}
+		}
+	}
 }
diff --git a/test/fixtures/controller.radar/data-key.js b/test/fixtures/controller.radar/data-key.js
index 623604b3b1e..75e68aa0e60 100644
--- a/test/fixtures/controller.radar/data-key.js
+++ b/test/fixtures/controller.radar/data-key.js
@@ -1,28 +1,28 @@
 module.exports = {
-    config: {
-        type: 'radar',
-        data: {
-            labels: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
-            datasets: [{
-                borderColor: 'red',
-                data2: [3, 3, 3, 3, 3, 3, 3, 3, 3, 3],
-                dataKey: 'data2',
-                fill: false,
-            }]
-        },
-        options: {
-            responsive: false,
-            scale: {
-                display: false,
-                min: 0,
-                max: 3
-            },
-        }
-    },
-    options: {
-        canvas: {
-            height: 512,
-            width: 512
-        }
-    }
+	config: {
+		type: 'radar',
+		data: {
+			labels: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
+			datasets: [{
+				borderColor: 'red',
+				data2: [3, 3, 3, 3, 3, 3, 3, 3, 3, 3],
+				dataKey: 'data2',
+				fill: false,
+			}]
+		},
+		options: {
+			responsive: false,
+			scale: {
+				display: false,
+				min: 0,
+				max: 3
+			},
+		}
+	},
+	options: {
+		canvas: {
+			height: 512,
+			width: 512
+		}
+	}
 }