diff --git a/packages/ai/src/tools/visualization-tools/bar-line-axis-validator.test.ts b/packages/ai/src/tools/visualization-tools/bar-line-axis-validator.test.ts
index 50b563d7e..cf2ff9836 100644
--- a/packages/ai/src/tools/visualization-tools/bar-line-axis-validator.test.ts
+++ b/packages/ai/src/tools/visualization-tools/bar-line-axis-validator.test.ts
@@ -285,7 +285,7 @@ describe('validateAndAdjustBarLineAxes', () => {
     };
 
     const result = validateAndAdjustBarLineAxes(metricYml);
-    expect(result.isValid).toBe(true);
+    expect(result.isValid).toBe(false);
     expect(result.shouldSwapAxes).toBe(false);
   });
 });
diff --git a/packages/ai/src/tools/visualization-tools/bar-line-axis-validator.ts b/packages/ai/src/tools/visualization-tools/bar-line-axis-validator.ts
index b369b1013..8bf318e1e 100644
--- a/packages/ai/src/tools/visualization-tools/bar-line-axis-validator.ts
+++ b/packages/ai/src/tools/visualization-tools/bar-line-axis-validator.ts
@@ -30,7 +30,7 @@ export function validateAndAdjustBarLineAxes(metricYml: MetricYml): AxisValidati
     return {
       isValid: false,
       shouldSwapAxes: false,
-      error: `Bar and line charts require at least one column for each axis. Please specify both X and Y axis columns.`
+      error: 'Bar and line charts require at least one column for each axis. Please specify both X and Y axis columns.',
     };
   }
   const xColumns = barAndLineAxis.x;