diff --git a/src/plugins/autotest/boost/boosttestresult.cpp b/src/plugins/autotest/boost/boosttestresult.cpp
index 373493cc09a..80cca80cc4b 100644
--- a/src/plugins/autotest/boost/boosttestresult.cpp
+++ b/src/plugins/autotest/boost/boosttestresult.cpp
@@ -130,10 +130,10 @@ static ResultHooks::DirectParentHook directParentHook(const QString &testCaseNam
 BoostTestResult::BoostTestResult(const QString &id, const QString &name,
                                  const FilePath &projectFile, const QString &testCaseName,
                                  const QString &testSuiteName)
-    : TestResult(id, name, {outputStringHook(testCaseName),
+    : TestResult(id, name, {QVariant::fromValue(BoostTestData{testCaseName, testSuiteName}),
+                            outputStringHook(testCaseName),
                             findTestItemHook(projectFile, testCaseName, testSuiteName),
-                            directParentHook(testCaseName, testSuiteName),
-                            QVariant::fromValue(BoostTestData{testCaseName, testSuiteName})})
+                            directParentHook(testCaseName, testSuiteName)})
 {}
 
 } // namespace Internal
diff --git a/src/plugins/autotest/catch/catchresult.cpp b/src/plugins/autotest/catch/catchresult.cpp
index 265700ca658..9c616944b49 100644
--- a/src/plugins/autotest/catch/catchresult.cpp
+++ b/src/plugins/autotest/catch/catchresult.cpp
@@ -68,8 +68,8 @@ static ResultHooks::DirectParentHook directParentHook(int depth)
 }
 
 CatchResult::CatchResult(const QString &id, const QString &name, int depth)
-    : TestResult(id, name, {{}, findTestItemHook(), directParentHook(depth),
-                            QVariant::fromValue(CatchData{depth})})
+    : TestResult(id, name, {QVariant::fromValue(CatchData{depth}),
+                            {}, findTestItemHook(), directParentHook(depth)})
 {}
 
 } // namespace Internal
diff --git a/src/plugins/autotest/ctest/ctestoutputreader.cpp b/src/plugins/autotest/ctest/ctestoutputreader.cpp
index 066b5e5680c..8373a1ab59c 100644
--- a/src/plugins/autotest/ctest/ctestoutputreader.cpp
+++ b/src/plugins/autotest/ctest/ctestoutputreader.cpp
@@ -48,7 +48,7 @@ class CTestResult : public TestResult
 {
 public:
     CTestResult(const QString &id, const QString &project, const QString &testCaseName)
-        : TestResult(id, project, {{}, findTestItemHook(testCaseName), directParentHook(), {}})
+        : TestResult(id, project, {{}, {}, findTestItemHook(testCaseName), directParentHook()})
     {}
 };
 
diff --git a/src/plugins/autotest/gtest/gtestresult.cpp b/src/plugins/autotest/gtest/gtestresult.cpp
index 902c28132e5..b89c06bd8e3 100644
--- a/src/plugins/autotest/gtest/gtestresult.cpp
+++ b/src/plugins/autotest/gtest/gtestresult.cpp
@@ -125,10 +125,10 @@ static ResultHooks::DirectParentHook directParentHook(const QString &testCaseNam
 
 GTestResult::GTestResult(const QString &id, const QString &name, const FilePath &projectFile,
                          const QString &testCaseName, int iteration)
-    : TestResult(id, name, {outputStringHook(testCaseName),
+    : TestResult(id, name, {QVariant::fromValue(GTestData{testCaseName, iteration}),
+                            outputStringHook(testCaseName),
                             findTestItemHook(projectFile, testCaseName),
-                            directParentHook(testCaseName, iteration),
-                            QVariant::fromValue(GTestData{testCaseName, iteration})})
+                            directParentHook(testCaseName, iteration)})
 {}
 
 } // namespace Internal
diff --git a/src/plugins/autotest/qtest/qttestresult.cpp b/src/plugins/autotest/qtest/qttestresult.cpp
index 945acc05499..ee56d4541b3 100644
--- a/src/plugins/autotest/qtest/qttestresult.cpp
+++ b/src/plugins/autotest/qtest/qttestresult.cpp
@@ -183,32 +183,38 @@ static ResultHooks::DirectParentHook directParentHook(const QString &functionNam
     };
 }
 
+static ResultHooks::IntermediateHook intermediateHook(const FilePath &projectFile,
+                                                      const QString &functionName,
+                                                      const QString &dataTag)
+{
+    return [=](const TestResult &result, const TestResult &other) -> bool {
+        if (!other.extraData().canConvert<QtTestData>())
+            return false;
+        const QtTestData otherData = other.extraData().value<QtTestData>();
+        return dataTag == otherData.m_dataTag && functionName == otherData.m_function
+                && result.name() == other.name() && result.id() == other.id()
+                && projectFile == otherData.m_projectFile;
+    };
+}
+
 QtTestResult::QtTestResult(const QString &id, const QString &name, const FilePath &projectFile,
                            TestType type, const QString &functionName, const QString &dataTag)
-    : TestResult(id, name, {outputStringHook(functionName, dataTag),
+    : TestResult(id, name, {QVariant::fromValue(QtTestData{projectFile, type, functionName, dataTag}),
+                            outputStringHook(functionName, dataTag),
                             findTestItemHook(projectFile, type, functionName, dataTag),
                             directParentHook(functionName, dataTag),
-                            QVariant::fromValue(QtTestData{projectFile, type, functionName, dataTag})})
+                            intermediateHook(projectFile, functionName, dataTag)})
     , m_projectFile(projectFile)
     , m_type(type)
     , m_function(functionName)
     , m_dataTag(dataTag) {}
 
-bool QtTestResult::isIntermediateFor(const TestResult *other) const
-{
-    QTC_ASSERT(other, return false);
-    const QtTestResult *qtOther = static_cast<const QtTestResult *>(other);
-    return m_dataTag == qtOther->m_dataTag && m_function == qtOther->m_function
-            && name() == qtOther->name() && id() == qtOther->id()
-            && m_projectFile == qtOther->m_projectFile;
-}
-
 TestResult *QtTestResult::createIntermediateResultFor(const TestResult *other) const
 {
     QTC_ASSERT(other, return nullptr);
     const QtTestResult *qtOther = static_cast<const QtTestResult *>(other);
     QtTestResult *intermediate = new QtTestResult(qtOther->id(), qtOther->name(), qtOther->m_projectFile,
-                                                  m_type);
+                                                  m_type, qtOther->m_function, qtOther->m_dataTag);
     intermediate->m_function = qtOther->m_function;
     intermediate->m_dataTag = qtOther->m_dataTag;
     // intermediates will be needed only for data tags
diff --git a/src/plugins/autotest/qtest/qttestresult.h b/src/plugins/autotest/qtest/qttestresult.h
index 66ff5dc4570..0f9c3e9c9cd 100644
--- a/src/plugins/autotest/qtest/qttestresult.h
+++ b/src/plugins/autotest/qtest/qttestresult.h
@@ -18,14 +18,9 @@ public:
     QtTestResult(const QString &id, const QString &name, const Utils::FilePath &projectFile,
                  TestType type, const QString &functionName = {}, const QString &dataTag = {});
 
-    bool isIntermediateFor(const TestResult *other) const override;
     TestResult *createIntermediateResultFor(const TestResult *other) const override;
 
 private:
-    bool isTestCase() const     { return m_function.isEmpty()  && m_dataTag.isEmpty(); }
-    bool isTestFunction() const { return !m_function.isEmpty() && m_dataTag.isEmpty(); }
-    bool isDataTag() const      { return !m_function.isEmpty() && !m_dataTag.isEmpty(); }
-
     Utils::FilePath m_projectFile;
     TestType m_type;
     QString m_function;
diff --git a/src/plugins/autotest/testresult.cpp b/src/plugins/autotest/testresult.cpp
index 6a9478cbc6b..3749b0a8acc 100644
--- a/src/plugins/autotest/testresult.cpp
+++ b/src/plugins/autotest/testresult.cpp
@@ -170,6 +170,8 @@ bool TestResult::isDirectParentOf(const TestResult *other, bool *needsIntermedia
 bool TestResult::isIntermediateFor(const TestResult *other) const
 {
     QTC_ASSERT(other, return false);
+    if (m_hooks.intermediate)
+        return m_hooks.intermediate(*this, *other);
     return !m_id.isEmpty() && m_id == other->m_id && m_name == other->m_name;
 }
 
diff --git a/src/plugins/autotest/testresult.h b/src/plugins/autotest/testresult.h
index 34d0b9d0466..23ad1ddd248 100644
--- a/src/plugins/autotest/testresult.h
+++ b/src/plugins/autotest/testresult.h
@@ -65,10 +65,12 @@ struct ResultHooks
     using OutputStringHook = std::function<QString(const TestResult &, bool)>;
     using FindTestItemHook = std::function<ITestTreeItem *(const TestResult &)>;
     using DirectParentHook = std::function<bool(const TestResult &, const TestResult &, bool *)>;
+    using IntermediateHook = std::function<bool(const TestResult &, const TestResult &)>;
+    QVariant extraData;
     OutputStringHook outputString;
     FindTestItemHook findTestItem;
     DirectParentHook directParent;
-    QVariant extraData;
+    IntermediateHook intermediate = {};
 };
 
 class TestResult
@@ -100,7 +102,7 @@ public:
     static QColor colorForType(const ResultType type);
 
     bool isDirectParentOf(const TestResult *other, bool *needsIntermediate) const;
-    virtual bool isIntermediateFor(const TestResult *other) const;
+    bool isIntermediateFor(const TestResult *other) const;
     virtual TestResult *createIntermediateResultFor(const TestResult *other) const;
 
 private: