Backport 6f459aff453679ee89fd80bb325737d76288e4d2

Author: GoeLin

test/jdk/ProblemList.txt

@@ -838,6 +838,9 @@ java/awt/Focus/FrameMinimizeTest/FrameMinimizeTest.java 8016266 linux-x64
 java/awt/Frame/SizeMinimizedTest.java 8305915 linux-x64
 java/awt/PopupMenu/PopupHangTest.java 8340022 windows-all
 java/awt/Focus/InactiveFocusRace.java 8023263 linux-all
+java/awt/Checkbox/CheckboxBoxSizeTest.java 8340870 windows-all
+java/awt/Checkbox/CheckboxIndicatorSizeTest.java 8340870 windows-all
+java/awt/Checkbox/CheckboxNullLabelTest.java 8340870 windows-all
 java/awt/dnd/WinMoveFileToShellTest.java 8341665 windows-all