Update circleci config

.circleci/config.yml

@@ -1,13 +1,19 @@
-# Use the latest 2.1 version of CircleCI pipeline process engine. See: https://circleci.com/docs/2.0/configuration-reference
 version: 2.1
-# Use a package of configuration called an orb.
-orbs:
-  # Declare a dependency on the welcome-orb
-  welcome: circleci/welcome-orb@0.4.1
-# Orchestrate or schedule a set of jobs
+
+jobs:
+  test:
+    docker:
+      - image: gcc:9.2
+    steps:
+      - checkout
+      - run:
+          name: Test
+          command: |
+            cd tests/
+            ./normal_compile.sh
+            ./optimized_compile.sh
+
 workflows:
-  # Name the workflow "welcome"
-  welcome:
-    # Run the welcome/run job in its own container
+  test:
     jobs:
-      - welcome/run
+      - test