diff --git a/tests/units/akonadi/akonadicontextrepositorytest.cpp b/tests/units/akonadi/akonadicontextrepositorytest.cpp
--- a/tests/units/akonadi/akonadicontextrepositorytest.cpp
+++ b/tests/units/akonadi/akonadicontextrepositorytest.cpp
@@ -325,7 +325,13 @@
         QVERIFY(storageMock(&Akonadi::StorageInterface::fetchItem).when(item).exactly(1));
         if (execJob) {
             QVERIFY(storageMock(&Akonadi::StorageInterface::updateItem).when(item, Q_NULLPTR).exactly(1));
+        } else {
+            delete dissociateJob;
         }
+
+        // Give a chance to itemFetchJob to delete itself
+        // in case of an error (since it uses deleteLater() internally)
+        QTest::qWait(10);
     }
 };
 
diff --git a/tests/units/akonadi/akonadiprojectrepositorytest.cpp b/tests/units/akonadi/akonadiprojectrepositorytest.cpp
--- a/tests/units/akonadi/akonadiprojectrepositorytest.cpp
+++ b/tests/units/akonadi/akonadiprojectrepositorytest.cpp
@@ -393,6 +393,10 @@
             QVERIFY(serializerMock(&Akonadi::SerializerInterface::removeItemParent).when(childItem).exactly(1));;
             QVERIFY(storageMock(&Akonadi::StorageInterface::updateItem).when(childItem, Q_NULLPTR).exactly(1));
         }
+
+        // Give a chance to job to delete themselves
+        // in case of an error (since they use deleteLater() internally)
+        QTest::qWait(10);
     }
 };
 
diff --git a/tests/units/akonadi/akonaditagrepositorytest.cpp b/tests/units/akonadi/akonaditagrepositorytest.cpp
--- a/tests/units/akonadi/akonaditagrepositorytest.cpp
+++ b/tests/units/akonadi/akonaditagrepositorytest.cpp
@@ -245,7 +245,13 @@
         QVERIFY(storageMock(&Akonadi::StorageInterface::fetchItem).when(item).exactly(1));
         if (execJob) {
             QVERIFY(storageMock(&Akonadi::StorageInterface::updateItem).when(item, Q_NULLPTR).exactly(1));
+        } else {
+            delete dissociateJob;
         }
+
+        // Give a chance to itemFetchJob to delete itself
+        // in case of an error (since it uses deleteLater() internally)
+        QTest::qWait(10);
     }
 };
 
diff --git a/tests/units/akonadi/akonaditaskrepositorytest.cpp b/tests/units/akonadi/akonaditaskrepositorytest.cpp
--- a/tests/units/akonadi/akonaditaskrepositorytest.cpp
+++ b/tests/units/akonadi/akonaditaskrepositorytest.cpp
@@ -793,6 +793,10 @@
             QVERIFY(serializerMock(&Akonadi::SerializerInterface::clearItem).when(any<Akonadi::Item*>()).exactly(1));
             QVERIFY(storageMock(&Akonadi::StorageInterface::updateItem).when(childItem, Q_NULLPTR).exactly(1));
         }
+
+        // Give a chance to job to delete themselves
+        // in case of an error (since they use deleteLater() internally)
+        QTest::qWait(10);
     }
 
     void shouldSendDelegationMessage()