diff --git a/data_navigator_test.go b/data_navigator_test.go
index 82980165..40841a0a 100644
--- a/data_navigator_test.go
+++ b/data_navigator_test.go
@@ -7,14 +7,66 @@ import (
 	"testing"
 )
 
-var rawData = `
+func parseData(rawData string) map[interface{}]interface{} {
+	var parsedData map[interface{}]interface{}
+	err := yaml.Unmarshal([]byte(rawData), &parsedData)
+	if err != nil {
+		fmt.Println("Error parsing yaml: %v", err)
+		os.Exit(1)
+	}
+	return parsedData
+}
+
+func TestReadMap_simple(t *testing.T) {
+	var data = parseData(`
 ---
-a: Easy!
 b:
   c: 2
+`)
+	assertResult(t, 2, readMap(data, "b", []string{"c"}))
+}
+
+func TestReadMap_key_doesnt_exist(t *testing.T) {
+	var data = parseData(`
+---
+b:
+  c: 2
+`)
+	assertResult(t, nil, readMap(data, "b.x.f", []string{"c"}))
+}
+
+func TestReadMap_recurse_against_string(t *testing.T) {
+	var data = parseData(`
+---
+a: cat
+`)
+	assertResult(t, nil, readMap(data, "a", []string{"b"}))
+}
+
+func TestReadMap_with_array(t *testing.T) {
+	var data = parseData(`
+---
+b:
   d:
     - 3
     - 4
+`)
+	assertResult(t, 4, readMap(data, "b", []string{"d", "1"}))
+}
+
+func TestReadMap_with_array_out_of_bounds(t *testing.T) {
+	var data = parseData(`
+---
+b:
+  d:
+    - 3
+    - 4
+`)
+	assertResult(t, nil, readMap(data, "b", []string{"d", "3"}))
+}
+
+func TestReadMap_with_array_splat(t *testing.T) {
+	var data = parseData(`
 e:
   -
     name: Fred
@@ -22,57 +74,30 @@ e:
   -
     name: Sam
     thing: dog
-`
-
-var parsedData map[interface{}]interface{}
-
-func TestMain(m *testing.M) {
-	err := yaml.Unmarshal([]byte(rawData), &parsedData)
-	if err != nil {
-		fmt.Println("Error parsing yaml: %v", err)
-		os.Exit(1)
-	}
-
-	os.Exit(m.Run())
-}
-
-func TestReadMap_simple(t *testing.T) {
-	assertResult(t, 2, readMap(parsedData, "b", []string{"c"}))
-}
-
-func TestReadMap_key_doesnt_exist(t *testing.T) {
-	assertResult(t, nil, readMap(parsedData, "b.x.f", []string{"c"}))
-}
-
-func TestReadMap_recurse_against_string(t *testing.T) {
-	assertResult(t, nil, readMap(parsedData, "a", []string{"b"}))
-}
-
-func TestReadMap_with_array(t *testing.T) {
-	assertResult(t, 4, readMap(parsedData, "b", []string{"d", "1"}))
-}
-
-func TestReadMap_with_array_out_of_bounds(t *testing.T) {
-	assertResult(t, nil, readMap(parsedData, "b", []string{"d", "3"}))
-}
-
-func TestReadMap_with_array_splat(t *testing.T) {
-	assertResult(t, "[Fred Sam]", fmt.Sprintf("%v", readMap(parsedData, "e", []string{"*", "name"})))
+`)
+	assertResult(t, "[Fred Sam]", fmt.Sprintf("%v", readMap(data, "e", []string{"*", "name"})))
 }
 
 func TestWrite_simple(t *testing.T) {
+	var data = parseData(`
+b:
+  c: 2
+`)
 
-	write(parsedData, "b", []string{"c"}, "4")
+	write(data, "b", []string{"c"}, "4")
 
-	b := parsedData["b"].(map[interface{}]interface{})
+	b := data["b"].(map[interface{}]interface{})
 	assertResult(t, "4", b["c"].(string))
 }
 
 func TestWrite_with_no_tail(t *testing.T) {
+	var data = parseData(`
+b:
+  c: 2
+`)
+	write(data, "b", []string{}, "4")
 
-	write(parsedData, "b", []string{}, "4")
-
-	b := parsedData["b"]
+	b := data["b"]
 	assertResult(t, "4", fmt.Sprintf("%v", b))
 }