b2
`
	expected := []string{
		`b
    b1
    ---
    b2`,
	}

	g := NewWithT(t)
	parts := yml.SplitString(doc)
	g.Expect(parts).To(Equal(expected))
}

func TestJoinRemovesEmptyParts(t *testing.T) {
	parts := []string{
		`---
---
---
`,
		`
---
a
---
`,
		`
b
---
`,
	}

	expected := `a
---
b`

	g := NewWithT(t)