chore: remove debug check (#659)

Remove debug check now we run the test server with debug enabled if
needed.

redis/reply_test.go

diff --git a/redis/reply_test.go b/redis/reply_test.go
index 59bdba7..5ff3b5f 100644
--- a/redis/reply_test.go
+++ b/redis/reply_test.go
@@ -19,7 +19,6 @@
 	"math"
 	"reflect"
 	"strconv"
-	"strings"
 	"testing"
 	"time"
 
@@ -227,17 +226,6 @@
 	}
 }
 
-// debugCheck skips t if err indicates that DEBUG is not allowed,
-// otherwise it fails if err is not nil.
-func debugCheck(t *testing.T, err error) {
-	t.Helper()
-
-	if err != nil && strings.Contains(err.Error(), "ERR DEBUG command not allowed") {
-		t.Skip("DEBUG command not allowed")
-	}
-	require.NoError(t, err)
-}
-
 func TestLatency(t *testing.T) {
 	c, err := dial()
 	require.NoError(t, err)
@@ -265,7 +253,7 @@
 
 	// Sleep for 1ms to register a slow event.
 	_, err = c.Do("DEBUG", "SLEEP", 0.001)
-	debugCheck(t, err)
+	require.NoError(t, err)
 
 	result, err = c.Do("LATENCY", "LATEST")
 	require.NoError(t, err)
@@ -317,7 +305,7 @@
 
 	// Sleep for 1ms to register a slow event
 	_, err = c.Do("DEBUG", "SLEEP", 0.001)
-	debugCheck(t, err)
+	require.NoError(t, err)
 
 	result, err = c.Do("LATENCY", "HISTORY", "command")
 	require.NoError(t, err)