Fix leaks in tests

Author: nyalldawson

tests/src/core/testqgscomposermultiframe.cpp

@@ -98,6 +98,7 @@ void TestQgsComposerMultiFrame::addFrame()
 {
   QgsComposerHtml* htmlItem = new QgsComposerHtml( mComposition, false );
   QgsComposerFrame* frame1 = new QgsComposerFrame( mComposition, htmlItem, 0, 0, 100, 200 );
+  htmlItem->addFrame( frame1 );
 
   //should not be inherited
   frame1->setHidePageIfEmpty( true );

tests/src/core/testqgscomposertablev2.cpp

@@ -619,10 +619,10 @@ void TestQgsComposerTableV2::removeDuplicates()
 
   //check if removing attributes in unique mode works correctly (should result in duplicate rows,
   //which will be stripped out)
-  table->columns()->removeLast();
+  delete table->columns()->takeLast();
   table->refreshAttributes();
   QCOMPARE( table->contents()->length(), 2 );
-  table->columns()->removeLast();
+  delete table->columns()->takeLast();
   table->refreshAttributes();
   QCOMPARE( table->contents()->length(), 1 );
   table->setUniqueRowsOnly( false );