fix test script

Author: m-dahl

tests/test.sh

@@ -1,7 +1,17 @@
 #!/bin/bash
 
-# rustup to test with latest rust version
-rustup update
+# run rustup to test with latest rust version
+/root/.cargo/bin/rustup update
+
+if [ -e "/opt/ros/humble/setup.bash" ]; then
+    source $ROS
+fi
+if [ -e "/opt/ros/galactic/setup.bash" ]; then
+    source $ROS
+fi
+if [ -e "/opt/ros/foxy/setup.bash" ]; then
+    source $ROS
+fi
 
 cd /r2r/
 /root/.cargo/bin/cargo test