diff --git a/src/plugins/texteditor/CMakeLists.txt b/src/plugins/texteditor/CMakeLists.txt
index 939c313712b..b13823b6ce1 100644
--- a/src/plugins/texteditor/CMakeLists.txt
+++ b/src/plugins/texteditor/CMakeLists.txt
@@ -119,7 +119,10 @@ add_qtc_plugin(TextEditor
 extend_qtc_plugin(TextEditor
   CONDITION WITH_TESTS
   SOURCES
-    codeassist/codeassist_test.cpp codeassist/codeassist_test.h
-    highlighter_test.cpp highlighter_test.h
+    codeassist/codeassist_test.cpp
+    codeassist/codeassist_test.h
+    highlighter_test.cpp
+    highlighter_test.h
     texteditor_test.cpp
+    texteditor_test.h
 )
diff --git a/src/plugins/texteditor/formattexteditor.cpp b/src/plugins/texteditor/formattexteditor.cpp
index 03de5fb4152..98fb1a36355 100644
--- a/src/plugins/texteditor/formattexteditor.cpp
+++ b/src/plugins/texteditor/formattexteditor.cpp
@@ -329,12 +329,21 @@ void formatEditorAsync(TextEditorWidget *editor, const Command &command, int sta
 } // namespace TextEditor
 
 #ifdef WITH_TESTS
-#include "texteditorplugin.h"
+
 #include <QTest>
 
 namespace TextEditor::Internal {
 
-void TextEditorPlugin::testFormatting_data()
+class FormatTextTest final : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void testFormatting_data();
+    void testFormatting();
+};
+
+void FormatTextTest::testFormatting_data()
 {
     QTest::addColumn<QString>("code");
     QTest::addColumn<QString>("result");
@@ -360,7 +369,7 @@ void TextEditorPlugin::testFormatting_data()
     }
 }
 
-void TextEditorPlugin::testFormatting()
+void FormatTextTest::testFormatting()
 {
     QFETCH(QString, code);
     QFETCH(QString, result);
@@ -377,6 +386,13 @@ void TextEditorPlugin::testFormatting()
     QCOMPARE(editor->toPlainText(), result);
 }
 
+QObject *createFormatTextTest()
+{
+    return new FormatTextTest;
+}
+
 } // namespace TextEditor::Internal
 
-#endif
+#include "formattexteditor.moc"
+
+#endif // WITH_TESTS
diff --git a/src/plugins/texteditor/snippets/snippet.cpp b/src/plugins/texteditor/snippets/snippet.cpp
index 0b3bd080e7a..067888523bc 100644
--- a/src/plugins/texteditor/snippets/snippet.cpp
+++ b/src/plugins/texteditor/snippets/snippet.cpp
@@ -272,13 +272,10 @@ SnippetParseResult Snippet::parse(const QString &snippet)
 
 } // Texteditor
 
-using namespace TextEditor;
 
 #ifdef WITH_TESTS
 #   include <QTest>
 
-#   include "../texteditorplugin.h"
-
 const char NOMANGLER_ID[] = "TextEditor::NoMangler";
 
 struct SnippetPart
@@ -297,9 +294,20 @@ struct SnippetPart
 };
 Q_DECLARE_METATYPE(SnippetPart);
 
+namespace TextEditor::Internal {
+
 using Parts = QList<SnippetPart>;
 
-void Internal::TextEditorPlugin::testSnippetParsing_data()
+class SnippetParserTest final : public QObject
+{
+    Q_OBJECT
+
+public slots:
+    void testSnippetParsing_data();
+    void testSnippetParsing();
+};
+
+void SnippetParserTest::testSnippetParsing_data()
 {
     QTest::addColumn<QString>("input");
     QTest::addColumn<bool>("success");
@@ -384,7 +392,7 @@ void Internal::TextEditorPlugin::testSnippetParsing_data()
                                          };
 }
 
-void Internal::TextEditorPlugin::testSnippetParsing()
+void SnippetParserTest::testSnippetParsing()
 {
     QFETCH(QString, input);
     QFETCH(bool, success);
@@ -407,4 +415,14 @@ void Internal::TextEditorPlugin::testSnippetParsing()
     for (int i = 0; i < parts.size(); ++i)
         rangesCompare(snippet.parts.at(i), parts.at(i));
 }
-#endif
+
+QObject *createSnippetParserTest()
+{
+    return new SnippetParserTest;
+}
+
+} // TextEditor::Internal
+
+#include "snippet.moc"
+
+#endif // WITH_TESTS
diff --git a/src/plugins/texteditor/textdocumentlayout.cpp b/src/plugins/texteditor/textdocumentlayout.cpp
index 6b98673bf85..1eb18c51f51 100644
--- a/src/plugins/texteditor/textdocumentlayout.cpp
+++ b/src/plugins/texteditor/textdocumentlayout.cpp
@@ -1,19 +1,15 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
-#include "textdocumentlayout.h"
 #include "fontsettings.h"
 #include "textdocument.h"
-#include "texteditorplugin.h"
+#include "textdocumentlayout.h"
 #include "texteditorsettings.h"
 
 #include <utils/qtcassert.h>
 #include <utils/temporarydirectory.h>
 
 #include <QDebug>
-#ifdef WITH_TESTS
-#include <QTest>
-#endif
 
 namespace TextEditor {
 
@@ -871,9 +867,24 @@ TextSuggestion::TextSuggestion()
 
 TextSuggestion::~TextSuggestion() = default;
 
+} // TextEditor
+
+
 #ifdef WITH_TESTS
 
-void Internal::TextEditorPlugin::testDeletingMarkOnReload()
+#include <QTest>
+
+namespace TextEditor::Internal {
+
+class TextDocumentLayoutTest final : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void testDeletingMarkOnReload();
+};
+
+void TextDocumentLayoutTest::testDeletingMarkOnReload()
 {
     auto doc = new TextDocument();
     doc->setFilePath(Utils::TemporaryDirectory::masterDirectoryFilePath() / "TestMarkDoc.txt");
@@ -888,6 +899,13 @@ void Internal::TextEditorPlugin::testDeletingMarkOnReload()
     QVERIFY(!doc->marks().contains(mark));
 }
 
-#endif
+QObject *createTextDocumentTest()
+{
+    return new TextDocumentLayoutTest;
+}
 
-} // namespace TextEditor
+} // TextEditor::Internal
+
+#include "textdocumentlayout.moc"
+
+#endif // WITH_TESTS
diff --git a/src/plugins/texteditor/texteditor.qbs b/src/plugins/texteditor/texteditor.qbs
index 4f64752c122..7bbe6716c85 100644
--- a/src/plugins/texteditor/texteditor.qbs
+++ b/src/plugins/texteditor/texteditor.qbs
@@ -238,6 +238,7 @@ QtcPlugin {
             "highlighter_test.cpp",
             "highlighter_test.h",
             "texteditor_test.cpp",
+            "texteditor_test.h",
         ]
     }
 }
diff --git a/src/plugins/texteditor/texteditor_test.cpp b/src/plugins/texteditor/texteditor_test.cpp
index 3b88ac5efb5..c82804ee992 100644
--- a/src/plugins/texteditor/texteditor_test.cpp
+++ b/src/plugins/texteditor/texteditor_test.cpp
@@ -4,14 +4,13 @@
 #ifdef WITH_TESTS
 
 #include "tabsettings.h"
-#include "texteditorplugin.h"
 
 #include <QTextDocument>
 #include <QtTest/QtTest>
 
-namespace TextEditor {
+namespace TextEditor::Internal {
 
-QString tabPolicyToString(TabSettings::TabPolicy policy)
+static QString tabPolicyToString(TabSettings::TabPolicy policy)
 {
     switch (policy) {
     case TabSettings::SpacesOnlyTabPolicy:
@@ -24,7 +23,7 @@ QString tabPolicyToString(TabSettings::TabPolicy policy)
     return QString();
 }
 
-QString continuationAlignBehaviorToString(TabSettings::ContinuationAlignBehavior behavior)
+static QString continuationAlignBehaviorToString(TabSettings::ContinuationAlignBehavior behavior)
 {
     switch (behavior) {
     case TabSettings::NoContinuationAlign:
@@ -37,13 +36,15 @@ QString continuationAlignBehaviorToString(TabSettings::ContinuationAlignBehavior
     return QString();
 }
 
-struct TabSettingsFlags{
+struct TabSettingsFlags
+{
     TabSettings::TabPolicy policy;
     TabSettings::ContinuationAlignBehavior behavior;
 };
 
 using IsClean = std::function<bool (TabSettingsFlags)>;
-void generateTestRows(const QLatin1String &name, const QString &text, IsClean isClean)
+
+static void generateTestRows(const QLatin1String &name, const QString &text, IsClean isClean)
 {
     const QVector<TabSettings::TabPolicy> allPolicies = {
         TabSettings::SpacesOnlyTabPolicy,
@@ -74,7 +75,16 @@ void generateTestRows(const QLatin1String &name, const QString &text, IsClean is
     }
 }
 
-void Internal::TextEditorPlugin::testIndentationClean_data()
+class TextEditorTest final : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void testIndentationClean_data();
+    void testIndentationClean();
+};
+
+void TextEditorTest::testIndentationClean_data()
 {
     QTest::addColumn<TabSettings::TabPolicy>("policy");
     QTest::addColumn<TabSettings::ContinuationAlignBehavior>("behavior");
@@ -126,7 +136,7 @@ void Internal::TextEditorPlugin::testIndentationClean_data()
     });
 }
 
-void Internal::TextEditorPlugin::testIndentationClean()
+void TextEditorTest::testIndentationClean()
 {
     // fetch test data
     QFETCH(TabSettings::TabPolicy, policy);
@@ -142,6 +152,13 @@ void Internal::TextEditorPlugin::testIndentationClean()
     QCOMPARE(settings.isIndentationClean(block, indentSize), clean);
 }
 
-} // namespace TextEditor
+QObject *createTextEditorTest()
+{
+    return new TextEditorTest;
+}
 
-#endif // ifdef WITH_TESTS
+} // TextEditor::Internal
+
+#include "texteditor_test.moc"
+
+#endif // WITH_TESTS
diff --git a/src/plugins/texteditor/texteditor_test.h b/src/plugins/texteditor/texteditor_test.h
new file mode 100644
index 00000000000..a1cf53bd596
--- /dev/null
+++ b/src/plugins/texteditor/texteditor_test.h
@@ -0,0 +1,15 @@
+// Copyright (C) 2024 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#pragma once
+
+#include <QObject>
+
+namespace TextEditor::Internal {
+
+QObject *createTextEditorTest();
+QObject *createTextDocumentTest();
+QObject *createSnippetParserTest();
+QObject *createFormatTextTest();
+
+} // TextEditor::Internal
diff --git a/src/plugins/texteditor/texteditorplugin.cpp b/src/plugins/texteditor/texteditorplugin.cpp
index 875d9f6e9ea..3091bdd17be 100644
--- a/src/plugins/texteditor/texteditorplugin.cpp
+++ b/src/plugins/texteditor/texteditorplugin.cpp
@@ -16,10 +16,12 @@
 #include "markdowneditor.h"
 #include "outlinefactory.h"
 #include "plaintexteditorfactory.h"
+#include "snippets/snippet.h"
 #include "snippets/snippetprovider.h"
 #include "tabsettings.h"
 #include "textdocument.h"
 #include "texteditor.h"
+#include "texteditor_test.h"
 #include "texteditorconstants.h"
 #include "texteditorsettings.h"
 #include "texteditortr.h"
@@ -283,6 +285,13 @@ TextEditorPlugin *TextEditorPlugin::instance()
 
 void TextEditorPlugin::initialize()
 {
+#ifdef WITH_TESTS
+    addTestCreator(createFormatTextTest);
+    addTestCreator(createTextDocumentTest);
+    addTestCreator(createTextEditorTest);
+    addTestCreator(createSnippetParserTest);
+#endif
+
     setupOutlineFactory();
 
     d = new TextEditorPluginPrivate;
diff --git a/src/plugins/texteditor/texteditorplugin.h b/src/plugins/texteditor/texteditorplugin.h
index f5725061950..1df73dcea9d 100644
--- a/src/plugins/texteditor/texteditorplugin.h
+++ b/src/plugins/texteditor/texteditorplugin.h
@@ -29,20 +29,6 @@ private:
     void extensionsInitialized() final;
 
     class TextEditorPluginPrivate *d = nullptr;
-
-#ifdef WITH_TESTS
-private slots:
-    void testSnippetParsing_data();
-    void testSnippetParsing();
-
-    void testIndentationClean_data();
-    void testIndentationClean();
-
-    void testFormatting_data();
-    void testFormatting();
-
-    void testDeletingMarkOnReload();
-#endif
 };
 
 } // namespace Internal