test: add test for shown message

diff --git a/js/tests/unit/dom/data.spec.js b/js/tests/unit/dom/data.spec.js
index b8c7b0ad9a2c293b7377f5b375ed3ccf83a81d16..6cef9c59500e39d7f96fd8d819fb44e617aa3d52 100644 (file)
--- a/js/tests/unit/dom/data.spec.js
+++ b/js/tests/unit/dom/data.spec.js
@@ -87,7 +87,7 @@ describe('Data', () => {
     Data.set(div, TEST_KEY, data)
     Data.set(div, UNKNOWN_KEY, copy)
 
-    expect(console.error).toHaveBeenCalled()
+    expect(console.error).toHaveBeenCalledWith(`Bootstrap doesn't allow more than one instance per element. Bound instance: ${TEST_KEY}.`)
     expect(Data.get(div, UNKNOWN_KEY)).toBeNull()
   })
 
@@ -99,7 +99,7 @@ describe('Data', () => {
     Data.set(div, TEST_KEY, data)
     Data.set(div, TEST_KEY, data)
 
-    expect(console.error).toHaveBeenCalled()
+    expect(console.error).toHaveBeenCalledWith(`Bootstrap doesn't allow more than one instance per element. Bound instance: ${TEST_KEY}.`)
     expect(Data.get(div, TEST_KEY)).toEqual(data)
   })
   /* eslint-enable no-console */