diff --git a/browser/src/GenePage/TissueExpressionTrack.spec.tsx b/browser/src/GenePage/TissueExpressionTrack.spec.tsx
index cd32fde3d..a7b3bef13 100644
--- a/browser/src/GenePage/TissueExpressionTrack.spec.tsx
+++ b/browser/src/GenePage/TissueExpressionTrack.spec.tsx
@@ -10,22 +10,21 @@ import { RegionViewerContext } from '@gnomad/region-viewer'
 import geneFactory from '../__factories__/Gene'
 
 describe('TissueExpressionTrack', () => {
-  const childProps = {
-    centerPanelWidth: 500,
-    isPositionDefined: true,
-    leftPanelWidth: 100,
-    // same regions as pext factory regions
-    regions: [
-      {
-        start: 0,
-        stop: 100,
-      },
-    ],
-    rightPanelWidth: 100,
-    scalePosition: (i: number) => i,
-  }
+  test('snapshot has no unexpected changes', () => {
+    const regionViewerProps = {
+      centerPanelWidth: 500,
+      isPositionDefined: true,
+      leftPanelWidth: 100,
+      regions: [
+        {
+          start: 0,
+          stop: 100,
+        },
+      ],
+      rightPanelWidth: 100,
+      scalePosition: (i: number) => i,
+    }
 
-  test('has no unexpected changes', () => {
     const testTranscriptId = 'transcript-1337'
     const gene = geneFactory.build({ canonical_transcript_id: testTranscriptId })
 
@@ -48,7 +47,7 @@ describe('TissueExpressionTrack', () => {
     ]
 
     const tree = renderer.create(
-      <RegionViewerContext.Provider value={childProps}>
+      <RegionViewerContext.Provider value={regionViewerProps}>
         <TissueExpressionTrack
           exons={testExons}
           expressionRegions={gene.pext!.regions}
diff --git a/browser/src/GenePage/__snapshots__/TissueExpressionTrack.spec.tsx.snap b/browser/src/GenePage/__snapshots__/TissueExpressionTrack.spec.tsx.snap
index c85a6bce2..ac482e4af 100644
--- a/browser/src/GenePage/__snapshots__/TissueExpressionTrack.spec.tsx.snap
+++ b/browser/src/GenePage/__snapshots__/TissueExpressionTrack.spec.tsx.snap
@@ -1,6 +1,6 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`TissueExpressionTrack has no unexpected changes 1`] = `
+exports[`TissueExpressionTrack snapshot has no unexpected changes 1`] = `
 <div
   className="TissueExpressionTrack__Wrapper-sc-1t85ku0-3 iexARk"
 >