Update .gitlab-ci.yml

.gitlab-ci.yml

-build-job:
-  stage: build
-  script:
-    - echo "Hello, $GITLAB_USER_LOGIN!"
-
-test-job1:
-  stage: test
-  script:
-    - echo "This job tests something"
-
-test-job2:
-  stage: test
-  script:
-    - echo "This job tests something, but takes more time than test-job1."
-    - echo "After the echo commands complete, it runs the sleep command for 20 seconds"
-    - echo "which simulates a test that runs 20 seconds longer than test-job1"
-    - sleep 20
+default:
+  tags:
+    - docker
+  image: python:3.10-slim-buster
 
-deploy-prod:
-  stage: deploy
+my_tests:
+  # Good to put a small description here of what this job does
+  before_script:
+    - pip install -r requirements.txt
   script:
-    - echo "This job deploys something from the $CI_COMMIT_BRANCH branch."
-  environment: production
+    - echo "Command 1"
+    - echo "Command 2"