test: add failing test for #104

Author: alexkrolick

src/__tests__/to-have-text-content.js

@@ -24,6 +24,14 @@ describe('.toHaveTextContent', () => {
       expect(queryByTestId('count-value')).not.toHaveTextContent('2'),
     ).toThrowError()
   })
+  
+  test('handles falsy values for text content', () => {
+    const {queryByTestId} = render(`<span data-testid="count-value">0</span>`)
+
+    expect(() =>
+      expect(queryByTestId('count-value2')).toHaveTextContent(''),
+    ).toThrowError()
+  })
 
   test('normalizes whitespace by default', () => {
     const {container} = render(`