Fixup go mod file

Author: eseliger

go.mod

@@ -29,6 +29,8 @@ require (
 	jaytaylor.com/html2text v0.0.0-20200412013138-3577fbdbcff7
 )
 
+require github.com/stretchr/testify v1.7.0
+
 require (
 	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
 	github.com/cockroachdb/logtags v0.0.0-20211118104740-dabe8e521a4f // indirect
@@ -53,7 +55,6 @@ require (
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/rogpeppe/go-internal v1.8.1 // indirect
-	github.com/stretchr/testify v1.7.0 // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
 	github.com/xeipuuv/gojsonschema v1.2.0 // indirect
 	golang.org/x/sys v0.0.0-20220128215802-99c3d69c2c27 // indirect