diff --git a/go.mod b/go.mod
index 921f05f..042b135 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ require (
 	github.com/go-git/go-git/v5 v5.2.0
 	github.com/octago/sflags v0.2.0
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/stretchr/testify v1.5.1 // indirect
+	github.com/stretchr/testify v1.5.1
 	github.com/wfscheper/convcom v0.0.0-20200418012201-7aa0e60ba66c
 	golang.org/x/crypto v0.0.0-20201012173705-84dcc777aaee // indirect
 	golang.org/x/sys v0.0.0-20201009025420-dfb3f7c4e634 // indirect
diff --git a/go.sum b/go.sum
index 0bd935c..62687c8 100644
--- a/go.sum
+++ b/go.sum
@@ -39,6 +39,7 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/magefile/mage v1.9.0 h1:t3AU2wNwehMCW97vuqQLtw6puppWXHO+O2MHo5a50XE=
 github.com/magefile/mage v1.9.0/go.mod h1:z5UZb/iS3GoOSn0JgWuiw7dxlurVYTu+/jHXqQg881A=
 github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
diff --git a/main_test.go b/main_test.go
new file mode 100644
index 0000000..8e3b0f5
--- /dev/null
+++ b/main_test.go
@@ -0,0 +1,11 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_errDone(t *testing.T) {
+	assert.EqualError(t, errDone, "done")
+}