package main import ( "testing" "github.com/stretchr/testify/assert" ) func TestEqual(t *testing.T) { assert.Equal(t, 2+2, 4, "two plus two should equal four") assert.Equal(t, "hello", "hello", "both strings should be equal") assert.Equal(t, []int{1, 2, 3}, []int{1, 2, 3}, "both slices should be equal") }In the above example, we import the `assert` package from the `github.com/stretchr/testify` library and use the `Equal` function to check whether two values are equal. In the first assertion, we check whether 2+2 equals 4. If the assertion fails, it will print the message "two plus two should equal four". In the second assertion, we check whether two strings are equal. If the assertion fails, it will print the message "both strings should be equal". In the third assertion, we check whether two slices of integers are equal. If the assertion fails, it will print the message "both slices should be equal". Overall, the `github.com/stretchr/testify/assert` package provides a simple and convenient way to write tests in Go that include assertions.