diff --git a/base/component_test.go b/base/component_test.go
index 124bf1c8..803a11df 100644
--- a/base/component_test.go
+++ b/base/component_test.go
@@ -1,13 +1,8 @@
 package base
 
 import (
-	"bufio"
 	_ "embed"
-	"encoding/base64"
 	"encoding/json"
-	"fmt"
-	"io"
-	"os"
 	"testing"
 
 	qt "github.com/frankban/quicktest"
@@ -53,24 +48,3 @@ func TestComponent_ListConnectorDefinitions(t *testing.T) {
 	c.Assert(err, qt.IsNil)
 	c.Check(gotJSON, qt.JSONEquals, wantConnectorDefinitionStruct)
 }
-
-func TestUtil_GetFileExtension(t *testing.T) {
-	c := qt.New(t)
-
-	file, err := os.Open("./testdata/test_image.png")
-	c.Assert(err, qt.IsNil)
-	defer file.Close()
-	wantFileExtension := "png"
-
-	reader := bufio.NewReader(file)
-	content, err := io.ReadAll(reader)
-	c.Assert(err, qt.IsNil)
-
-	fileBase64 := base64.StdEncoding.EncodeToString(content)
-	fileBase64 = "data:image/png;base64," + fileBase64
-	fmt.Println(fileBase64)
-	gotFileExtension := GetBase64FileExtensionSlow(fileBase64)
-	c.Check(gotFileExtension, qt.Equals, wantFileExtension)
-	gotFileExtension = GetBase64FileExtensionFast(fileBase64)
-	c.Check(gotFileExtension, qt.Equals, wantFileExtension)
-}
diff --git a/base/formats_test.go b/base/formats_test.go
new file mode 100644
index 00000000..1e2655fc
--- /dev/null
+++ b/base/formats_test.go
@@ -0,0 +1,33 @@
+package base
+
+import (
+	"bufio"
+	"encoding/base64"
+	"fmt"
+	"io"
+	"os"
+	"testing"
+
+	qt "github.com/frankban/quicktest"
+)
+
+func TestUtil_GetFileExtension(t *testing.T) {
+	c := qt.New(t)
+
+	file, err := os.Open("./testdata/test_image.png")
+	c.Assert(err, qt.IsNil)
+	defer file.Close()
+	wantFileExtension := "png"
+
+	reader := bufio.NewReader(file)
+	content, err := io.ReadAll(reader)
+	c.Assert(err, qt.IsNil)
+
+	fileBase64 := base64.StdEncoding.EncodeToString(content)
+	fileBase64 = "data:image/png;base64," + fileBase64
+	fmt.Println(fileBase64)
+	gotFileExtension := GetBase64FileExtensionSlow(fileBase64)
+	c.Check(gotFileExtension, qt.Equals, wantFileExtension)
+	gotFileExtension = GetBase64FileExtensionFast(fileBase64)
+	c.Check(gotFileExtension, qt.Equals, wantFileExtension)
+}