Enable Travis tests for option_keyboard

PiperOrigin-RevId: 368228512

.travis.yml

@@ -15,6 +15,7 @@ env:
     - PROJECT="kfac_ferminet_alpha"
     - PROJECT="learning_to_simulate"
     - PROJECT="noise_covariance"
+    - PROJECT="option_keyboard"
     # - PROJECT="polygen"  # TODO(b/184847339): Fix and re-enable
     - PROJECT="transporter"
     - PROJECT="tvt"

option_keyboard/run.sh

@@ -13,8 +13,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-python3 -m venv ok_venv
-source ok_venv/bin/activate
+python3 -m venv /tmp/ok_venv
+source /tmp/ok_venv/bin/activate
+pip install -U pip
 pip install -r option_keyboard/requirements.txt
 
 python3 -m option_keyboard.run_dqn_test