Add test case for ignore-secret tag

pkg/testhelper/op/op.go

@@ -1,6 +1,8 @@
 package op
 
 import (
+	"fmt"
+
 	"github.com/1Password/onepassword-operator/pkg/testhelper/system"
 )
 
@@ -12,3 +14,12 @@ func UpdateItemPassword(item string) error {
 	}
 	return nil
 }
+
+// ReadItemPassword reads the password of an item in 1Password
+func ReadItemPassword(item, vault string) (string, error) {
+	output, err := system.Run("op", "read", fmt.Sprintf("op://%s/%s/password", vault, item))
+	if err != nil {
+		return "", err
+	}
+	return output, nil
+}