Add 'mbed ls' and 'mbed releases' to circle CI tests

Author: screamerbg

circle.yml

@@ -7,13 +7,18 @@ test:
         - mbed config -G protocol ssh
         - cd .tests && mbed new new-test
         - cd .tests/new-test && mbed ls
+        - cd .tests/new-test && mbed releases -r
         - cd .tests/new-test && mbed compile --source=. --source=mbed-os/TESTS/integration/basic -j 0
         - cd .tests/new-test && mbed test --compile -n mbed-os-tests-integration-basic -j 0
         - cd .tests && mbed import https://developer.mbed.org/teams/Morpheus/code/mbed-Client-Morpheus-hg hg-test
+        - cd .tests/hg-test && mbed ls
+        - cd .tests/hg-test && mbed releases -r
         - cd .tests/hg-test && mbed update b02527cafcde8612ff051fea57e9975aca598807 --clean
         - cd .tests/hg-test && mbed update --clean
         - cd .tests/hg-test && mbed compile -j 0
         - cd .tests && mbed import https://developer.mbed.org/users/samux/code/USBSerial_HelloWorld bld-test
+        - cd .tests/bld-test && mbed ls
+        - cd .tests/bld-test && mbed releases -r
         - cd .tests/bld-test/mbed && mbed update 85 --clean
         - cd .tests/bld-test && mbed update --clean
         - cd .tests/bld-test && mbed compile -m LPC1768 -j 0