Adding htrun dependency in greentea

Author: bridadan

packages/mbed-greentea/setup.py

@@ -52,7 +52,8 @@ def read(fname):
           "console_scripts": ["mbedgt=mbed_greentea.mbed_greentea_cli:main",],
       },
       install_requires=[
-          "mbed-os-tools==0.0.1"
+          "mbed-os-tools==0.0.1",
+          "mbed-host-tests>=1.5.0,<2"
       ],
       tests_require = [
           "mock>=2"