diff --git a/testutils/g115_samples.go b/testutils/g115_samples.go
index 6dce0fa42f..66c5b67c11 100644
--- a/testutils/g115_samples.go
+++ b/testutils/g115_samples.go
@@ -286,14 +286,14 @@ package main
 
 import (
         "fmt"
-		"math"
+        "math"
 )
 
 func main() {
         var a int64 = 13
-		if a < math.MinInt32 || a > math.MaxInt32 {
-			panic("out of range")
-		}
+        if a < math.MinInt32 || a > math.MaxInt32 {
+            panic("out of range")
+        }
         b := int32(a)
         fmt.Printf("%d\n", b)
 }
@@ -305,15 +305,15 @@ package main
 
 import (
         "fmt"
-		"math"
-		"math/rand"
+        "math"
+        "math/rand"
 )
 
 func main() {
-		a := rand.Int63()
-		if a < math.MinInt64 || a > math.MaxInt32 {
-			panic("out of range")
-		}
+        a := rand.Int63()
+        if a < math.MinInt64 || a > math.MaxInt32 {
+            panic("out of range")
+        }
         b := int32(a)
         fmt.Printf("%d\n", b)
 }
@@ -325,15 +325,15 @@ package main
 
 import (
         "fmt"
-		"math"
+        "math"
 )
 
 func main() {
-		var a int32 = math.MaxInt32
-		if a < math.MinInt32 || a > math.MaxInt32 {
-			panic("out of range")
-		}
-		var b int64 = int64(a) * 2
+        var a int32 = math.MaxInt32
+        if a < math.MinInt32 || a > math.MaxInt32 {
+            panic("out of range")
+        }
+        var b int64 = int64(a) * 2
         c := int32(b)
         fmt.Printf("%d\n", c)
 }
@@ -345,12 +345,12 @@ package main
 
 import (
         "fmt"
-		"strconv"
+        "strconv"
 )
 
 func main() {
         var a string = "13"
-		b, _ := strconv.ParseInt(a, 10, 32)
+        b, _ := strconv.ParseInt(a, 10, 32)
         c := int32(b)
         fmt.Printf("%d\n", c)
 }