* updated interrupt chaining test.
* updated interrupt chaining test.

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s,nRFMesh/mbed-os,rgrover/mbed,devanlai/mbed,jrjang/mbed,fahhem/mbed-os,andcor02/mbed-os,maximmbed/mbed,theotherjimmy/mbed,bcostm/mbed-os,screamerbg/mbed,arostm/mbed-os,DanKupiniak/mbed,cvtsi2sd/mbed-os,YarivCol/mbed-os,getopenmono/mbed,betzw/mbed-os,geky/mbed,c1728p9/mbed-os,mbedmicro/mbed,K4zuki/mbed,kpurusho/mbed,kl-cruz/mbed-os,betzw/mbed-os,Tiryoh/mbed,K4zuki/mbed,mazimkhan/mbed-os,kl-cruz/mbed-os,nabilbendafi/mbed,kpurusho/mbed,devanlai/mbed,kpurusho/mbed,bulislaw/mbed-os,tung7970/mbed-os-1,j-greffe/mbed-os,pedromes/mbed,HeadsUpDisplayInc/mbed,nvlsianpu/mbed,fanghuaqi/mbed,ryankurte/mbed-os,al177/mbed,infinnovation/mbed-os,mbedmicro/mbed,kjbracey-arm/mbed,Archcady/mbed-os,pedromes/mbed,kpurusho/mbed,jferreir/mbed,andcor02/mbed-os,Shengliang/mbed,pbrook/mbed,andreaslarssonublox/mbed,fvincenzo/mbed-os,j-greffe/mbed-os,pradeep-gr/mbed-os5-onsemi,netzimme/mbed-os,radhika-raghavendran/mbed-os5.1-onsemi,bcostm/mbed-os,nvlsianpu/mbed,DanKupiniak/mbed,andreaslarssonublox/mbed,theotherjimmy/mbed,YarivCol/mbed-os,jeremybrodt/mbed,cvtsi2sd/mbed-os,rosterloh/mbed,jpbrucker/mbed,monkiineko/mbed-os,nabilbendafi/mbed,YarivCol/mbed-os,mnlipp/mbed,pbrook/mbed,svastm/mbed,fahhem/mbed-os,monkiineko/mbed-os,HeadsUpDisplayInc/mbed,radhika-raghavendran/mbed-os5.1-onsemi,jeremybrodt/mbed,screamerbg/mbed,radhika-raghavendran/mbed-os5.1-onsemi,al177/mbed