Note that sourcing a setup.bash file overwrites any environment variables that were set through a previous "sourcing" of a setup.bash file. At the bottom of your bashrc, you source 4 workspace setup.bsh files, and one from the Indigo install. The only source command that has any lasting effect is the last one. So the environment you see should only have the /home/robot3/test2 workspace active.
Note that sourcing a setup.bash file overwrites any environment variables that were set through a previous "sourcing" of a setup.bash file. At the bottom of your bashrc, you source 4 workspace setup.bsh setup.bash files, and one from the Indigo install. The install, but the only source command that has any lasting effect is the last one. So the environment you see should only have the /home/robot3/test2 workspace active.