tfs: linux, remove xvfb-run support

scripts/test.sh

 #!/bin/bash
 
-echo "HERE: 1"
 
 if [[ "$OSTYPE" == "darwin"* ]]; then
 	realpath() { [[ $1 = /* ]] && echo "$1" || echo "$PWD/${1#./}"; }
@@ -9,9 +8,7 @@ else
 	ROOT=$(dirname $(dirname $(readlink -f $0)))
 fi
 
-echo "HERE: 2"
 cd $ROOT
-echo "HERE: 3"
 
 if [[ "$OSTYPE" == "darwin"* ]]; then
 	NAME=`node -p "require('./product.json').nameLong"`
@@ -21,31 +18,21 @@ else
 	CODE=".build/electron/$NAME"
 fi
 
-echo "HERE: 4"
 INTENDED_VERSION="v`node -p "require('./package.json').electronVersion"`"
 INSTALLED_VERSION=$(cat .build/electron/version 2> /dev/null)
 
-echo "HERE: 5"
 # Node modules
 test -d node_modules || ./scripts/npm.sh install
 
-echo "HERE: 6"
 # Get electron
 (test -f "$CODE" && [ $INTENDED_VERSION == $INSTALLED_VERSION ]) || ./node_modules/.bin/gulp electron
 
-echo "HERE: 7"
 # Unit Tests
-if [[ "$1" == "--xvfb" ]]; then
-echo "HERE: 8"
-	cd $ROOT ; \
-		xvfb-run -a "$CODE" test/electron/index.js "$@"
-elif [[ "$OSTYPE" == "darwin"* ]]; then
-echo "HERE: 9"
+if [[ "$OSTYPE" == "darwin"* ]]; then
 	cd $ROOT ; ulimit -n 4096 ; \
 		"$CODE" \
 		test/electron/index.js "$@"
 else
-echo "HERE: 10"
 	cd $ROOT ; \
 		"$CODE" \
 		test/electron/index.js "$@"