Add more unit tests.

internal/utils/utils_test.go

@@ -1,6 +1,7 @@
 package utils
 
 import (
+	"fmt"
 	"gotest.tools/assert"
 	"testing"
 )
@@ -23,3 +24,15 @@ func TestToGoIdentifier(t *testing.T) {
 	assert.Equal(t, ToGoIdentifier("My Table"), "MyTable")
 	assert.Equal(t, ToGoIdentifier("My-Table"), "MyTable")
 }
+
+func TestErrorCatch(t *testing.T) {
+	var err error
+
+	func() {
+		defer ErrorCatch(&err)
+
+		panic(fmt.Errorf("newError"))
+	}()
+
+	assert.Error(t, err, "newError")
+}