Use named TEST_TARGET variable for test mode gate

Author: samyoon20

external/derby/test.sh

@@ -27,7 +27,8 @@ export tstjardir="${TEST_HOME}/tools/java"
 export CLASSPATH="${jardir}/derbyrun.jar:${jardir}/derbyTesting.jar:${tstjardir}/junit.jar"
 
 set -e
-if [ "$1" = "full" ]; then
+TEST_TARGET="${1:-smoke}"
+if [ "$TEST_TARGET" = "full" ]; then
     ant -Dderby.tests.basePort=1690 -Dderby.system.durability=test -DderbyTesting.oldReleasePath=${TEST_HOME}/jars junit-all
 else
     java -jar "${TEST_HOME}/jars/sane/derbyrun.jar" sysinfo

external/tomcat/test.sh

@@ -17,7 +17,9 @@ echo_setup
 
 set -e
 
-if [ "$1" = "full" ]; then
+TEST_TARGET="${1:-smoke}"
+
+if [ "$TEST_TARGET" = "full" ]; then
     git clone -q -b 1.6.x --single-branch https://github.com/apache/apr.git $TEST_HOME/tmp/apr
     cd $TEST_HOME/tmp/apr
     ./buildconf