Tell Travis about Boost unit test name change

.travis.yml

@@ -33,7 +33,7 @@ matrix:
       env: opt=-O0 CXXSTD=11 NLS=false
 
 before_install:
-    - export TARGETS="wesnoth wesnothd campaignd test"
+    - export TARGETS="wesnoth wesnothd campaignd boost_unit_tests"
     - export STRICT_COMPILATION=false
     - export EXTRA_FLAGS_RELEASE=""
     - export WML_TESTS=true CPP_TESTS=false PLAY_TEST=true MP_TEST=true

utils/travis/test_executor.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
 set -e
-gdb -q -batch -return-child-result -ex "run" -ex "thread apply all bt" -ex "quit" --args ./test
+gdb -q -batch -return-child-result -ex "run" -ex "thread apply all bt" -ex "quit" --args ./boost_unit_tests

utils/travis/test_wrapper.sh

@@ -1,15 +1,15 @@
 #!/bin/bash
 COUNTER=10
-./test
+./boost_unit_tests
 ERRORCODE=$?
 while [ $COUNTER -gt 0 -a $ERRORCODE -eq 200 ]; do
-    echo "test gave error code 200 (segfault).. trying again."
+    echo "boost_unit_tests gave error code 200 (segfault).. trying again."
     COUNTER=$((COUNTER-1))
-    ./test
+    ./boost_unit_tests
     ERRORCODE=$?
 done
 if [ $ERRORCODE -eq 200 ]; then
-    echo "test gave error code 200 ten times. suppressing this error...\n"
+    echo "boost_unit_tests gave error code 200 ten times. suppressing this error...\n"
     ERRORCODE=0
 fi
 export TEST_ERROR_CODE="$ERRORCODE"