add: headless chrome setting to travis
add: headless chrome setting to travis

SenHeng/AngularTypescriptWebpack,SenHeng/AngularTypescriptWebpack,SenHeng/AngularTypescriptWebpack,thelegendofcode/AngularTypescriptWebpack,thelegendofcode/AngularTypescriptWebpack,SenHeng/AngularTypescriptWebpack,thelegendofcode/AngularTypescriptWebpack,thelegendofcode/AngularTypescriptWebpack