refactor(sscs-tests): close file

Author: cx-rui-oliveira

internal/commands/util/configuration_test.go

@@ -116,6 +116,10 @@ func TestWriteSingleConfigKeyStringNonExistingFile_CreatingTheFileAndWritesTheKe
 	file, err := os.Open(configFilePath)
 	asserts.NotNil(t, err)
 	asserts.Nil(t, file)
+	err = file.Close()
+	if err != nil {
+		return
+	}
 
 	err = configuration.SafeWriteSingleConfigKeyString(configFilePath, cxScsScanOverviewPath, defaultScsScanOverviewPath)
 	assert.NilError(t, err)