diff --git a/src/Makefile.qttest.include b/src/Makefile.qttest.include
--- a/src/Makefile.qttest.include
+++ b/src/Makefile.qttest.include
@@ -24,6 +24,7 @@
   qt/test/guiutiltests.h \
   qt/test/rpcnestedtests.h \
   qt/test/uritests.h \
+  qt/test/util.h \
   qt/test/paymentrequestdata.h \
   qt/test/paymentservertests.h \
   qt/test/wallettests.h
@@ -44,6 +45,7 @@
   qt/test/rpcnestedtests.cpp \
   qt/test/test_main.cpp \
   qt/test/uritests.cpp \
+  qt/test/util.cpp \
   $(TEST_QT_H) \
   $(TEST_BITCOIN_CPP) \
   $(TEST_BITCOIN_H)
diff --git a/src/qt/test/CMakeLists.txt b/src/qt/test/CMakeLists.txt
--- a/src/qt/test/CMakeLists.txt
+++ b/src/qt/test/CMakeLists.txt
@@ -13,6 +13,7 @@
 	rpcnestedtests.cpp
 	test_main.cpp
 	uritests.cpp
+	util.cpp
 
 	# Test framework
 	../../test/test_bitcoin.cpp
diff --git a/src/qt/test/util.h b/src/qt/test/util.h
new file mode 100644
--- /dev/null
+++ b/src/qt/test/util.h
@@ -0,0 +1,14 @@
+#ifndef BITCOIN_QT_TEST_UTIL_H
+#define BITCOIN_QT_TEST_UTIL_H
+
+class QString;
+
+/**
+ * Press "Ok" button in message box dialog.
+ *
+ * @param text - Optionally store dialog text.
+ * @param msec - Number of miliseconds to pause before triggering the callback.
+ */
+void ConfirmMessage(QString *text = nullptr, int msec = 0);
+
+#endif // BITCOIN_QT_TEST_UTIL_H
diff --git a/src/qt/test/util.cpp b/src/qt/test/util.cpp
new file mode 100644
--- /dev/null
+++ b/src/qt/test/util.cpp
@@ -0,0 +1,20 @@
+#include <qt/test/util.h>
+
+#include <QApplication>
+#include <QMessageBox>
+#include <QPushButton>
+#include <QString>
+#include <QTimer>
+#include <QWidget>
+
+void ConfirmMessage(QString *text, int msec) {
+    QTimer::singleShot(msec, [text]() {
+        for (QWidget *widget : QApplication::topLevelWidgets()) {
+            if (widget->inherits("QMessageBox")) {
+                QMessageBox *messageBox = qobject_cast<QMessageBox *>(widget);
+                if (text) *text = messageBox->text();
+                messageBox->defaultButton()->click();
+            }
+        }
+    });
+}
diff --git a/src/qt/test/wallettests.cpp b/src/qt/test/wallettests.cpp
--- a/src/qt/test/wallettests.cpp
+++ b/src/qt/test/wallettests.cpp
@@ -1,3 +1,4 @@
+#include <qt/test/util.h>
 #include <qt/test/wallettests.h>
 
 #include <cashaddrenc.h>
@@ -243,7 +244,7 @@
     QCOMPARE(requestTableModel->rowCount({}), currentRowCount - 1);
 }
 
-}
+} // namespace
 
 void WalletTests::walletTests() {
     TestGUI();