Disable echoing on the pty's

1 job for 18-organisation-of-class-instances in 1 minute and 21 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
failed #13233
test

00:01:21

 
Name Stage Failure
failed
test Test There is an unknown failure, please try again
Processing triggers for libc-bin (2.24-11+deb9u1) ...
$ make -C tests/linux64
make: Entering directory '/builds/clean-and-itasks/clean-platform/tests/linux64'
clm -I ../../src/libraries/OS-Independent -I ../../src/libraries/OS-Independent/Deprecated/ArgEnv -I ../../src/libraries/OS-Independent/Deprecated/MersenneTwister -I ../../src/libraries/OS-Independent/Deprecated/StdLib -I ../../src/libraries/OS-Posix -I ../../src/libraries/OS-Linux -I ../../src/libraries/OS-Linux-64 -I /opt/clean/lib/StdEnv -I /opt/clean/lib/Generics -I /opt/clean/lib/Dynamics -I /opt/clean/lib/TCPIP -dynamics -l -no-pie test -o test
make: clm: Command not found
make: *** [test] Error 127
Makefile:27: recipe for target 'test' failed
make: Leaving directory '/builds/clean-and-itasks/clean-platform/tests/linux64'
ERROR: Job failed: exit code 1