feat: run the unit-style tests in parallel (#4985)

Run go, node (jest) and tap tests all in their own jobs. This will allow us to
more easily upload test results, or parallelize the tap tests (which take the
most time).

.circleci/config.yml

@@ -337,7 +337,27 @@ workflows:
             branches:
               ignore: master
 
-      - test-code:
+      - test-node:
+          context:
+            - nodejs-install
+            - team_hammerhead-cli
+          requires:
+            - prepare-build
+          filters:
+            branches:
+              ignore: master
+
+      - test-go:
+          context:
+            - nodejs-install
+            - team_hammerhead-cli
+          requires:
+            - prepare-build
+          filters:
+            branches:
+              ignore: master
+
+      - test-legacy-tap:
           context:
             - nodejs-install
             - team_hammerhead-cli
@@ -786,20 +806,30 @@ jobs:
           monitor-on-build: true
           severity-threshold: high
 
-  test-code:
+  test-node:
     executor: docker-amd64
     steps:
       - prepare-workspace
-      - run:
-          name: Configuring artifact
-          command: node ./bin/snyk config set "api=${TEST_SNYK_TOKEN}" # many tests require the token to be in the config
       - run:
           name: Running TS unit tests
           command: npm run test:unit
+
+  test-go:
+    executor: docker-amd64
+    steps:
+      - prepare-workspace
       - run:
           name: Running Go unit tests
           working_directory: ./cliv2
           command: make openboxtest
+
+  test-legacy-tap:
+    executor: docker-amd64
+    steps:
+      - prepare-workspace
+      - run:
+          name: Configuring artifact
+          command: node ./bin/snyk config set "api=${TEST_SNYK_TOKEN}" # many tests require the token to be in the config
       - run:
           name: Running Tap tests
           command: