diff --git a/go.mod b/go.mod
index 41c9c6b..3d66d9b 100644
--- a/go.mod
+++ b/go.mod
@@ -2,9 +2,15 @@ module code.ndumas.com/ndumas/wikilink-parser
 
 go 1.19
 
-require go.uber.org/zap v1.24.0
+require (
+	github.com/stretchr/testify v1.8.0
+	go.uber.org/zap v1.24.0
+)
 
 require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	go.uber.org/atomic v1.7.0 // indirect
 	go.uber.org/multierr v1.6.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index 017cf3a..b6c51c0 100644
--- a/go.sum
+++ b/go.sum
@@ -6,8 +6,11 @@ github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/goleak v1.1.11 h1:wy28qYRKZgnJTxGxvye5/wgWr1EKjmUDGYox5mGlRlI=
@@ -15,4 +18,8 @@ go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
 go.uber.org/zap v1.24.0 h1:FiJd5l1UOLj0wCgbSE0rwwXHzEdAZS6hiiSnxJN/D60=
 go.uber.org/zap v1.24.0/go.mod h1:2kMP+WWQ8aoFoedH3T2sq6iJ2yDWpHbP0f6MQbS9Gkg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/lexer_test.go b/lexer_test.go
index a096f74..33145c6 100644
--- a/lexer_test.go
+++ b/lexer_test.go
@@ -3,6 +3,7 @@ package wikilink_test
 import (
 	"testing"
 
+	"github.com/stretchr/testify/assert"
 	"go.uber.org/zap/zapcore"
 
 	"code.ndumas.com/ndumas/wikilink-parser"
@@ -274,7 +275,6 @@ func Test_ObsidianWikilinks_LinksEndOfInput(t *testing.T) {
 }
 
 func Test_ObsidianWikilinks_Basic(t *testing.T) {
-	// t.Parallel()
 
 	for _, tc := range SingleWikilink {
 		mut, test := mutateTestCase(
@@ -309,32 +309,8 @@ func mutateTestCase(tc tc, prefix, suffix string, expectedPrefix, expectedSuffix
 	}
 
 	return tc, func(t *testing.T) {
-		// t.Parallel()
 		l := wikilink.Lex("testLexer", tc.in, zapcore.WarnLevel)
 		defer l.L.Sync()
-		if len(tc.expected) != len(l.Items) {
-			t.Logf("expected %d tokens, got %d\n", len(tc.expected), len(l.Items))
-			t.Logf("expected items: %#v\n", tc.expected)
-			t.Logf("raw items: %#v\n", l.Items)
-			t.Fail()
-
-			return
-		}
-		for i, e := range tc.expected {
-			n := l.Items[i]
-			if e.Typ != n.Typ {
-				t.Logf("expected Type %s, received %s", e.Typ.String(), n.Typ.String())
-				t.Fail()
-
-				return
-			}
-
-			if e.Val != n.Val {
-				t.Logf("expected Value %q, received %q", e.Val, n.Val)
-				t.Fail()
-
-				return
-			}
-		}
+		assert.Equal(t, tc.expected, l.Items, "token stream mismatch")
 	}
 }