Fix flaky callbacks test.
Fix flaky callbacks test.

PiperOrigin-RevId: 236341105

annarev/tensorflow,kevin-coder/tensorflow-fork,freedomtan/tensorflow,jhseu/tensorflow,renyi533/tensorflow,ghchinoy/tensorflow,petewarden/tensorflow,tensorflow/tensorflow,aam-at/tensorflow,Intel-Corporation/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,xzturn/tensorflow,Intel-Corporation/tensorflow,arborh/tensorflow,tensorflow/tensorflow,theflofly/tensorflow,kevin-coder/tensorflow-fork,gunan/tensorflow,arborh/tensorflow,ppwwyyxx/tensorflow,adit-chandra/tensorflow,tensorflow/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow-pywrap_saved_model,petewarden/tensorflow,davidzchen/tensorflow,arborh/tensorflow,cxxgtxy/tensorflow,ghchinoy/tensorflow,annarev/tensorflow,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow-pywrap_tf_optimizer,alsrgv/tensorflow,ghchinoy/tensorflow,kevin-coder/tensorflow-fork,yongtang/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,DavidNorman/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-pywrap_saved_model,aam-at/tensorflow,aldian/tensorflow,arborh/tensorflow,tensorflow/tensorflow-pywrap_saved_model,ageron/tensorflow,yongtang/tensorflow,gunan/tensorflow,yongtang/tensorflow,jhseu/tensorflow,petewarden/tensorflow,jbedorf/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,renyi533/tensorflow,DavidNorman/tensorflow,jhseu/tensorflow,karllessard/tensorflow,chemelnucfin/tensorflow,adit-chandra/tensorflow,alsrgv/tensorflow,freedomtan/tensorflow,chemelnucfin/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,xzturn/tensorflow,jhseu/tensorflow,jhseu/tensorflow,yongtang/tensorflow,yongtang/tensorflow,gunan/tensorflow,aam-at/tensorflow,sarvex/tensorflow,frreiss/tensorflow-fred,theflofly/tensorflow,jbedorf/tensorflow,gautam1858/tensorflow,Intel-tensorflow/tensorflow,ghchinoy/tensorflow,Intel-Corporation/tensorflow,petewarden/tensorflow,kevin-coder/tensorflow-fork,ppwwyyxx/tensorflow,kevin-coder/tensorflow-fork,Intel-tensorflow/tensorflow,arborh/tensorflow,ghchinoy/tensorflow,aldian/tensorflow,davidzchen/tensorflow,chemelnucfin/tensorflow,ghchinoy/tensorflow,aldian/tensorflow,karllessard/tensorflow,adit-chandra/tensorflow,adit-chandra/tensorflow,tensorflow/tensorflow,davidzchen/tensorflow,ghchinoy/tensorflow,DavidNorman/tensorflow,ppwwyyxx/tensorflow,Intel-tensorflow/tensorflow,annarev/tensorflow,aldian/tensorflow,frreiss/tensorflow-fred,ageron/tensorflow,annarev/tensorflow,freedomtan/tensorflow,gautam1858/tensorflow,alsrgv/tensorflow,Intel-Corporation/tensorflow,adit-chandra/tensorflow,paolodedios/tensorflow,renyi533/tensorflow,ageron/tensorflow,tensorflow/tensorflow-pywrap_saved_model,ppwwyyxx/tensorflow,ageron/tensorflow,alsrgv/tensorflow,xzturn/tensorflow,Intel-Corporation/tensorflow,freedomtan/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow-pywrap_saved_model,DavidNorman/tensorflow,theflofly/tensorflow,sarvex/tensorflow,DavidNorman/tensorflow,yongtang/tensorflow,arborh/tensorflow,gautam1858/tensorflow,karllessard/tensorflow,ppwwyyxx/tensorflow,alsrgv/tensorflow,ppwwyyxx/tensorflow,gunan/tensorflow,Intel-tensorflow/tensorflow,theflofly/tensorflow,Intel-tensorflow/tensorflow,aldian/tensorflow,chemelnucfin/tensorflow,Intel-Corporation/tensorflow,gunan/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,frreiss/tensorflow-fred,cxxgtxy/tensorflow,arborh/tensorflow,ghchinoy/tensorflow,petewarden/tensorflow,jbedorf/tensorflow,Intel-Corporation/tensorflow,frreiss/tensorflow-fred,renyi533/tensorflow,paolodedios/tensorflow,jhseu/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,davidzchen/tensorflow,karllessard/tensorflow,jhseu/tensorflow,ageron/tensorflow,Intel-tensorflow/tensorflow,gunan/tensorflow,aam-at/tensorflow,jhseu/tensorflow,paolodedios/tensorflow,gunan/tensorflow,petewarden/tensorflow,davidzchen/tensorflow,xzturn/tensorflow,ghchinoy/tensorflow,chemelnucfin/tensorflow,paolodedios/tensorflow,DavidNorman/tensorflow,ageron/tensorflow,ppwwyyxx/tensorflow,DavidNorman/tensorflow,Intel-tensorflow/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-pywrap_saved_model,ppwwyyxx/tensorflow,cxxgtxy/tensorflow,ageron/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,xzturn/tensorflow,davidzchen/tensorflow,xzturn/tensorflow,frreiss/tensorflow-fred,aldian/tensorflow,ppwwyyxx/tensorflow,renyi533/tensorflow,chemelnucfin/tensorflow,ghchinoy/tensorflow,cxxgtxy/tensorflow,paolodedios/tensorflow,chemelnucfin/tensorflow,jbedorf/tensorflow,arborh/tensorflow,yongtang/tensorflow,tensorflow/tensorflow,ageron/tensorflow,renyi533/tensorflow,jhseu/tensorflow,renyi533/tensorflow,frreiss/tensorflow-fred,cxxgtxy/tensorflow,tensorflow/tensorflow-pywrap_saved_model,xzturn/tensorflow,xzturn/tensorflow,davidzchen/tensorflow,frreiss/tensorflow-fred,paolodedios/tensorflow,annarev/tensorflow,frreiss/tensorflow-fred,jbedorf/tensorflow,DavidNorman/tensorflow,annarev/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_saved_model,aam-at/tensorflow,davidzchen/tensorflow,theflofly/tensorflow,aam-at/tensorflow,annarev/tensorflow,kevin-coder/tensorflow-fork,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-pywrap_saved_model,yongtang/tensorflow,ppwwyyxx/tensorflow,aldian/tensorflow,arborh/tensorflow,jbedorf/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,paolodedios/tensorflow,kevin-coder/tensorflow-fork,davidzchen/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,karllessard/tensorflow,DavidNorman/tensorflow,paolodedios/tensorflow,kevin-coder/tensorflow-fork,alsrgv/tensorflow,aldian/tensorflow,annarev/tensorflow,aam-at/tensorflow,karllessard/tensorflow,freedomtan/tensorflow,petewarden/tensorflow,chemelnucfin/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,arborh/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,ageron/tensorflow,sarvex/tensorflow,yongtang/tensorflow,adit-chandra/tensorflow,jhseu/tensorflow,jhseu/tensorflow,frreiss/tensorflow-fred,paolodedios/tensorflow,theflofly/tensorflow,jhseu/tensorflow,theflofly/tensorflow,gautam1858/tensorflow,ppwwyyxx/tensorflow,kevin-coder/tensorflow-fork,ageron/tensorflow,adit-chandra/tensorflow,xzturn/tensorflow,freedomtan/tensorflow,gunan/tensorflow,freedomtan/tensorflow,gautam1858/tensorflow,alsrgv/tensorflow,sarvex/tensorflow,aam-at/tensorflow,kevin-coder/tensorflow-fork,cxxgtxy/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,theflofly/tensorflow,alsrgv/tensorflow,adit-chandra/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-experimental_link_static_libraries_once,annarev/tensorflow,theflofly/tensorflow,alsrgv/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,jbedorf/tensorflow,ghchinoy/tensorflow,gunan/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,sarvex/tensorflow,arborh/tensorflow,gunan/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow,ageron/tensorflow,ageron/tensorflow,cxxgtxy/tensorflow,alsrgv/tensorflow,xzturn/tensorflow,karllessard/tensorflow,karllessard/tensorflow,Intel-tensorflow/tensorflow,petewarden/tensorflow,karllessard/tensorflow,yongtang/tensorflow,sarvex/tensorflow,freedomtan/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,theflofly/tensorflow,karllessard/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,xzturn/tensorflow,Intel-tensorflow/tensorflow,DavidNorman/tensorflow,freedomtan/tensorflow,jbedorf/tensorflow,annarev/tensorflow,renyi533/tensorflow,petewarden/tensorflow,paolodedios/tensorflow,alsrgv/tensorflow,yongtang/tensorflow,adit-chandra/tensorflow,gunan/tensorflow,cxxgtxy/tensorflow,gunan/tensorflow,alsrgv/tensorflow,gautam1858/tensorflow,aam-at/tensorflow,renyi533/tensorflow,frreiss/tensorflow-fred,sarvex/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,xzturn/tensorflow,Intel-Corporation/tensorflow,DavidNorman/tensorflow,tensorflow/tensorflow,petewarden/tensorflow,gautam1858/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow-pywrap_saved_model,chemelnucfin/tensorflow,kevin-coder/tensorflow-fork,sarvex/tensorflow,theflofly/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow,Intel-tensorflow/tensorflow,chemelnucfin/tensorflow,Intel-tensorflow/tensorflow,DavidNorman/tensorflow,aam-at/tensorflow,annarev/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,renyi533/tensorflow,ppwwyyxx/tensorflow,renyi533/tensorflow,petewarden/tensorflow,adit-chandra/tensorflow,jbedorf/tensorflow,aam-at/tensorflow,jbedorf/tensorflow,gautam1858/tensorflow,gautam1858/tensorflow,karllessard/tensorflow,theflofly/tensorflow,jbedorf/tensorflow,chemelnucfin/tensorflow,petewarden/tensorflow,jbedorf/tensorflow,aam-at/tensorflow,tensorflow/tensorflow,renyi533/tensorflow,tensorflow/tensorflow,adit-chandra/tensorflow,arborh/tensorflow,adit-chandra/tensorflow,ghchinoy/tensorflow,chemelnucfin/tensorflow