Fix some issues (but not all) in qa tests for eeschema

The main fix is for errors in SCH_TEXT and derived:
qa test expects 4 rotations is an identity transform:
This is false if the item has autoplaced fields.
The fix clears autoplaced flags.

common/eda_angle.cpp

@@ -59,7 +59,7 @@ void EDA_ANGLE::normalize( bool n720 )
 
 int EDA_ANGLE::normalize( int aValue, ANGLE_TYPE aAngleType, bool n720 ) const
 {
-    int full_circle_upper;
+    int full_circle_upper = DEGREES_FULL_CIRCLE;
 
     switch( aAngleType )
     {
@@ -93,7 +93,7 @@ int EDA_ANGLE::normalize( int aValue, ANGLE_TYPE aAngleType, bool n720 ) const
 
 double EDA_ANGLE::normalize( double aValue, ANGLE_TYPE aAngleType, bool n720 ) const
 {
-    double full_circle_upper;
+    double full_circle_upper = DEGREES_FULL_CIRCLE;
 
     switch( aAngleType )
     {

eeschema/sch_field.cpp

@@ -765,7 +765,12 @@ wxString SCH_FIELD::GetCanonicalName() const
     }
     else
     {
-        wxFAIL_MSG( "Unhandled field owner type." );
+        if( m_parent )
+        {
+            wxFAIL_MSG( wxString::Format( "Unhandled field owner type (id %d, parent type %d).",
+                                           m_id, m_parent->Type() ) );
+        }
+
         return m_name;
     }
 }

qa/drc_proto/drc_proto.cpp

@@ -114,7 +114,7 @@ int runDRCProto( PROJECT_CONTEXT project, std::shared_ptr<KIGFX::VIEW_OVERLAY> a
     drcEngine->SetProgressReporter( new CONSOLE_PROGRESS_REPORTER ( &consoleLog ) );
 
     drcEngine->SetViolationHandler(
-            [&]( const std::shared_ptr<DRC_ITEM>& aItem, wxPoint aPos, PCB_LAYER_ID aLayer )
+            [&]( const std::shared_ptr<DRC_ITEM>& aItem, VECTOR2I aPos, PCB_LAYER_ID aLayer )
             {
                 // fixme
             } );

qa/eeschema/test_ee_item.cpp

@@ -202,6 +202,7 @@ BOOST_AUTO_TEST_CASE( Rotate )
         BOOST_TEST_CONTEXT( "Class: " << item->GetClass() )
         {
             // Four equivalent 90 degree rotations are an identity.
+            // (warning: only for items having no autoplaced fields).
 
             if( item->GetClass() == "SCH_SHEET_PIN" )
             {
@@ -212,6 +213,7 @@ BOOST_AUTO_TEST_CASE( Rotate )
 
                 if( schItem != nullptr )
                 {
+                    schItem->ClearFieldsAutoplaced();
                     // Only rotating pins around the center of parent sheet works.
                     schItem->Rotate( m_sheet.GetBodyBoundingBox().GetCenter() );
                     schItem->Rotate( m_sheet.GetBodyBoundingBox().GetCenter() );
@@ -286,10 +288,11 @@ BOOST_AUTO_TEST_CASE( MirrorHorizontally )
                         SCH_ITEM* schItem = dynamic_cast<SCH_ITEM*>( item.get() );
                         LIB_ITEM* libItem = dynamic_cast<LIB_ITEM*>( item.get() );
 
-                        // Two mirrorings are an identity.
-
+                        // Two mirrorings are an identity
+                        // (warning: only for text items having no autoplaced fields).
                         if( schItem != nullptr )
                         {
+                            schItem->ClearFieldsAutoplaced();
                             schItem->MirrorHorizontally( aRef.x );
                             schItem->MirrorHorizontally( aRef.x );
                         }
@@ -329,10 +332,12 @@ BOOST_AUTO_TEST_CASE( MirrorVertically )
                         SCH_ITEM* schItem = dynamic_cast<SCH_ITEM*>( item.get() );
                         LIB_ITEM* libItem = dynamic_cast<LIB_ITEM*>( item.get() );
 
-                        // Two mirrorings are an identity.
+                        // Two mirrorings are an identity
+                        // (warning only for text items having no autoplaced fields).
 
                         if( schItem != nullptr )
                         {
+                            schItem->ClearFieldsAutoplaced();
                             schItem->MirrorVertically( aRef.y );
                             schItem->MirrorVertically( aRef.y );
                         }