Add handles to visual tests

Tests/Data/VisualTests/position_01_normal_flow.rml

@@ -25,5 +25,6 @@
 		End of outer contents.</span>
 		End of p contents.
 	</p>
+<handle size_target="#document"/>
 </body>
 </rml>

Tests/Data/VisualTests/position_02_relative_positioning.rml

@@ -25,5 +25,6 @@
 		End of outer contents.</span>
 		End of p contents.
 	</p>
+<handle size_target="#document"/>
 </body>
 </rml>

Tests/Data/VisualTests/position_03_floating_a_box.rml

@@ -25,5 +25,6 @@
 		End of outer contents.</span>
 		End of p contents.
 	</p>
+<handle size_target="#document"/>
 </body>
 </rml>

Tests/Data/VisualTests/position_04_floating_a_box_sibling.rml

@@ -26,5 +26,6 @@
 		End of outer contents.</span>
 		End of p contents.
 	</p>
+<handle size_target="#document"/>
 </body>
 </rml>

Tests/Data/VisualTests/position_05_floating_a_box_clear.rml

@@ -26,5 +26,6 @@
 		End of outer contents.</span>
 		End of p contents.
 	</p>
+<handle size_target="#document"/>
 </body>
 </rml>

Tests/Data/VisualTests/position_06_absolute_positioning.rml

@@ -30,5 +30,6 @@
 		End of outer contents.</span>
 		End of p contents.
 	</p>
+<handle size_target="#document"/>
 </body>
 </rml>

Tests/Data/VisualTests/position_07_absolute_positioning_relative.rml

@@ -33,5 +33,6 @@
 		End of outer contents.</span>
 		End of p contents.
 	</p>
+<handle size_target="#document"/>
 </body>
 </rml>

Tests/Data/VisualTests/position_08_absolute_positioning_no_relative.rml

@@ -30,5 +30,6 @@
 		End of outer contents.</span>
 		End of p contents.
 	</p>
+<handle size_target="#document"/>
 </body>
 </rml>

Tests/Data/VisualTests/position_09_absolute_positioning_change_bars.rml

@@ -22,5 +22,6 @@
 	  <span style="position: absolute; top: auto; left: -1em; color: red;">--</span>
 	  word.
 	</p>
+<handle size_target="#document"/>
 </body>
 </rml>