[TEST_BUG] Minimize all the three frame windows,the Icons are overlapped.

Testsuite name:Awt Regression
Test name:closed/java/awt/Frame/FrameIconTest/FrameIconTest.html
Product tested:JDK 7u71 b13(64bit)
OS/architecture:Ubuntu14.04-x64(Ubuntu Default Desktop)

Error log file:http://aurora.ru.oracle.com/slot-gw/586237.ManualSubmit-1/workDir/closed/java/awt/Frame/FrameIconTest/FrameIconTest.jtr
   
Reproducible: Always
Reproducible on machine: Evergreen-machine
[If Sometimes] Also reproducible on machine:

Is it a Regression: NO (JDK7u71b12/Ubuntu14.04-x64:Fail)
[If Regression] Regression introduced in release/build:
Test result on the last GAed release for this train: Fail(JDK7u65b19/Ubuntu14.04-x64:Fail)
  [if Fail] Test result on FCS: Fail(JDK7u65b20/Ubuntu14.04-x64:Fail)

Is it a platform specific issue:Not sure(7u71b12/winxp-sp3-x86:fail;7u51b05/Ubuntu12.04-x86:Fail(use Ubuntu Default Desktop),Fail(Gnome Classic Desktop,failed as JDK-8024940))
  [If platform specific issue] Is it a new (previously unsupported) OS/browser/mode testing:
  [If new configuration testing] Issue specific to execution mode or OS/browser version:
   

Steps to reproduce:
 1.Download regression workspace from http://jre.us.oracle.com/java/re/jdk/7u71/promoted/fcs/b13/ws/jdk/test/ to /regression
  2. Install test bundle JDK7u71b13 (download from http://jre.us.oracle.com/java/re/jdk/7u71/promoted/fcs/b13/bundles/linux-x64/jdk-7u71-linux-x64.tar.gz) to /regression/jdk1.7.0_71
  3.Install stable JDK7u45b18 (download from http://jre.us.oracle.com/java/re/jdk/7u45/promoted/fcs/b18/bundles/linux-i586/jdk-7u45-linux-i586.tar.gz) to /regression/jdk1.7.0_45
   4.download and unzip Jtreg from http://jre.us.oracle.com/java/re/jtreg/4.1/promoted/fcs/b08/bundles/jtreg_bin-4.1.zip locate at /regression/
   5.Create the script regression.sh as follows and run it
export JT_JAVA=/regression/jdk1.7.0_45 /regression/jtreg/linux/bin/jtreg -v -m -ignore:quiet -jdk:/regression/jdk1.7.0_71 -r:/regression/results/reportDir -w:/regression/results/workDir /regression/test/closed/java/awt/Frame/FrameIconTest/FrameIconTest.html
   
Case Instruction:
This test is for Motif only. It is to ensure the code to scale a Motif Frame window's icon is correct. Motif icon sizes generally range from 16x16 to 48x48. This test ensures icons out of that size range are correctly displayed.
1. When the applet starts, three frame windows will appear.
2. Minimize all three frame windows.
3. Verify that
a) the 12x12 icon is visible and scaled up to 32x32
b) the 24x24 icon is visible and not scaled
c) the 72x72 icon is not cropped, but scaled down
   
Actual behavior:
Minimize all the three frame windows,the Icons are overlapped,refer to icon.jpg.