t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
			g := NewWithT(t)

			actual := JoinString(c.split...)

			g.Expect(actual).To(Equal(c.merged))
		})
	}
}

func TestLineNumber(t *testing.T) {
	testCases := []struct {
		input       string
		lineNumbers []int
	}{
		{
			input:       "foo: bar\n---\nfoo: baz",
			lineNumbers: []int{1, 3},
		},
		{

		lineNumber()) // 40
}

// Modifications below this line are okay.

var l38, l39, l40 int

func recordLines(a, b, c int) {
	l38 = a
	l39 = b
	l40 = c
}

func TestLineNumber(t *testing.T) {
	trythis()
	for _, test := range []struct {
		name string
		val  int
		want int
	}{
		{"firstLine", firstLine, 0},
		{"lineVar1", lineVar1, 2},
		{"lineVar2a", lineVar2a, 3},