Add wrapper to find the test binary

test_program/go-test.sh

diff --git a/test_program/go-test.sh b/test_program/go-test.sh
index 10043aa..3c65d15 100755
--- a/test_program/go-test.sh
+++ b/test_program/go-test.sh
@@ -3,4 +3,18 @@
 go get github.com/BurntSushi/toml-test # install test suite
 go get github.com/BurntSushi/toml/toml-test-go # install my parser
 go build -o test_program_bin github.com/pelletier/go-toml/test_program
-$GOPATH/bin/toml-test ./test_program_bin # run tests on my parser
+
+toml_test_wrapper() {
+    if hash toml-test 2>/dev/null; then # test availability in $PATH
+        toml-test "$@"
+    else
+        p="$HOME/gopath/bin/toml-test" # try in Travi's place
+        if [ -f "$p" ]; then
+            "$p" "$@"
+        else
+            "$GOPATH/bin/toml-test" "$@"
+        fi
+    fi
+}
+
+toml_test_wrapper ./test_program_bin # run tests on my parser