Stop testing wording of errors (#412)

Wording of errors varies greatly between e.g. Chrome and Firefox

Author: mathemaat

exercises/09.errors/01.solution.composition/error-boundary.test.ts

@@ -11,10 +11,6 @@ await testStep(
 		expect(errorMessage).toBeDefined()
 		expect(errorMessage.textContent).toContain('There was an error:')
 
-		// Check if the error message contains the specific error
-		const errorDetails = await screen.findByText(/invalid time/i)
-		expect(errorDetails).toBeDefined()
-
 		// Ensure the form is not rendered
 		const form = screen.queryByRole('form')
 		expect(form).toBeNull()

exercises/09.errors/02.solution.show-boundary/error-boundary.test.ts

@@ -15,10 +15,6 @@ await testStep('Error boundary is rendered after form submission', async () => {
 	expect(errorMessage).toBeDefined()
 	expect(errorMessage.textContent).toContain('There was an error:')
 
-	// Check if the error message contains the specific error
-	const errorDetails = await screen.findByText(/toUpperCase/i)
-	expect(errorDetails).toBeDefined()
-
 	// Ensure the form is not rendered after error
 	const form = screen.queryByRole('form')
 	expect(form).toBeNull()

exercises/09.errors/03.solution.reset/error-boundary.test.ts

@@ -15,10 +15,6 @@ await testStep('Error boundary is rendered after form submission', async () => {
 	expect(errorMessage).toBeDefined()
 	expect(errorMessage.textContent).toContain('There was an error:')
 
-	// Check if the error message contains the specific error
-	const errorDetails = await screen.findByText(/toUpperCase/i)
-	expect(errorDetails).toBeDefined()
-
 	// Ensure the form is not rendered after error
 	const form = screen.queryByRole('form')
 	expect(form).toBeNull()