(test suite): Avoid loading user's ~/.bash_completion, fixes #87

Author: scop

test/config/bashrc

@@ -21,6 +21,8 @@ stty columns 150
     # Also test completions of system administrator commands, which are
     # installed via the same PATH expansion in `bash_completion.have()'
 export PATH=$PATH:/sbin:/usr/sbin:/usr/local/sbin
+    # For clean test state, avoid sourcing user's ~/.bash_completion
+export HOME=$SRCDIR/config
 
 	# Make sure default settings are in effect
 unset -v \