Run CI tests in parallel (#25271)

#21774

Improves run time by about 30%.

Things have been arranged in such a way that splitting modules out
further will be trivial in the future, such as breaking the different
integration test suited into their own units.


![image](https://github.com/user-attachments/assets/ead46e4c-6f14-406d-a29b-b25abc79c384)


![image](https://github.com/user-attachments/assets/3f7fd7f3-d7a8-4ff8-a184-646a72f1d015)

.github/workflows/test-go.yaml

@@ -42,7 +42,7 @@ jobs:
   test-go:
     strategy:
       matrix:
-        suite: ["integration", "core"]
+        suite: ["integration", "core", "mysql", "fleetctl", "vuln"]
         os: [ubuntu-latest]
         mysql: ["mysql:8.0.36", "mysql:8.4.3", "mysql:9.1.0"] # make sure to update supported versions docs when this changes
         isCron:
@@ -118,10 +118,13 @@ jobs:
     - name: Run Go Tests
       run: |
         if [[ "${{ matrix.suite }}" == "core" ]]; then
+          CI_TEST_PKG=main
           RUN_TESTS_ARG='-skip=^TestIntegrations'
         elif [[ "${{ matrix.suite }}" == "integration" ]]; then
+          CI_TEST_PKG=main
           RUN_TESTS_ARG='-run=^TestIntegrations'
         else
+          CI_TEST_PKG="${{ matrix.suite }}"
           RUN_TESTS_ARG=''
         fi
         GO_TEST_EXTRA_FLAGS="-v -race=$RACE_ENABLED -timeout=$GO_TEST_TIMEOUT $RUN_TESTS_ARG" \
@@ -135,6 +138,7 @@ jobs:
           SAML_IDP_TEST=1 \
           MAIL_TEST=1 \
           NETWORK_TEST_GITHUB_TOKEN=${{ secrets.FLEET_RELEASE_GITHUB_PAT }} \
+          CI_TEST_PKG="${CI_TEST_PKG}" \
           make test-go 2>&1 | tee /tmp/gotest.log
 
     - name: Create mysql identifier without colon