optimize: integration test speedups

.github/AGENTS.md

@@ -6,6 +6,7 @@ GitHub Actions in the Chainlink Go monorepo.
 - Prefer runs-on runners when ubuntu-latest is insufficient.
 - Minimize YAML and shell in workflows.
 - Resolve smartcontractkit/.github from a local clone. Ask the user for the path if you cannot find it.
+- Use `echo "key=value" | tee -a "$GITHUB_OUTPUT"` instead of `echo "key=value" >> "${GITHUB_OUTPUT}"`
 </rules>
 
 <docs>

.github/workflows/ccip-system-tests.yaml

@@ -134,15 +134,10 @@ jobs:
 
       - name: Set up Go
         id: setup-go
-        uses: smartcontractkit/.github/actions/ctf-setup-go@fa1d48a33e24f9b3b9f8c52e99a578a4597cb2a5 # v0.4.0
+        uses: actions/setup-go@v7
         with:
-          go_mod_path: integration-tests/go.mod
-          cache_key_id: integration-tests-v1
-          cache_builds: true
-          cache_restore_only: "true"
-          should_tidy: false
-          no_cache: false
-          gati_token: ${{ steps.github-token.outputs.access-token }}
+          go-version-file: integration-tests/go.mod
+          cache: false # Using pre-compiled binaries, only need go setup for gotestsum
 
       - name: Restore Pre-Compiled Test Binaries from S3 Cache
         uses: actions/cache/restore@v6

.github/workflows/cre-mixed-env-tests.yaml

@@ -10,8 +10,7 @@ on:
   workflow_dispatch:
     inputs:
       chainlink_image_repository_path:
-        description:
-          "ECR repository name used to compose the PR image with chainlink_image_tag."
+        description: "ECR repository name used to compose the PR image with chainlink_image_tag."
         required: true
         type: string
       chainlink_image_tag:
@@ -59,8 +58,7 @@ on:
   workflow_call:
     inputs:
       chainlink_image_repository_path:
-        description:
-          "ECR repository name used to compose the PR image with chainlink_image_tag."
+        description: "ECR repository name used to compose the PR image with chainlink_image_tag."
         required: true
         type: string
       chainlink_image_tag:
@@ -166,14 +164,10 @@ jobs:
           persist-credentials: false
 
       - name: Set up Go
-        id: setup-go
-        uses: smartcontractkit/.github/actions/ctf-setup-go@fa1d48a33e24f9b3b9f8c52e99a578a4597cb2a5 # v0.4.0
+        uses: actions/setup-go@v7
         with:
-          go_mod_path: system-tests/tests/go.mod
-          # No Go build/restore: mixed-env runs the pre-compiled cre-smoke.test binary
-          # (restored below), and the non-determinism gate reuses that same binary — so
-          # nothing is compiled here and cache restore would only waste ~30-60s per run.
-          no_cache: true
+          go-version-file: system-tests/tests/go.mod
+          cache: false
 
       - name: Restore Pre-Compiled Test Binaries from S3 Cache
         uses: actions/cache/restore@v6

.github/workflows/cre-regression-system-tests.yaml

@@ -146,11 +146,10 @@ jobs:
           persist-credentials: false
 
       - name: Set up Go
-        id: setup-go
-        uses: smartcontractkit/.github/actions/ctf-setup-go@fa1d48a33e24f9b3b9f8c52e99a578a4597cb2a5 # v0.4.0
+        uses: actions/setup-go@v7
         with:
-          go_mod_path: system-tests/tests/go.mod
-          no_cache: true
+          go-version-file: system-tests/tests/go.mod
+          cache: false
 
       - name: Restore Pre-Compiled Test Binaries from S3 Cache
         uses: actions/cache/restore@v6
@@ -256,7 +255,7 @@ jobs:
 
           exit_code="$?"
           if [ "$exit_code" -eq 0 ]; then
-            echo "tests_result=✅ Tests passed" >> "$GITHUB_OUTPUT"
+            echo "tests_result=✅ Tests passed" | tee -a "$GITHUB_OUTPUT"
           fi
 
           echo "⚠️⚠️⚠️ Add 'skip-e2e-regression' label to skip this step if necessary ⚠️⚠️⚠️"

.github/workflows/cre-system-tests.yaml

@@ -57,6 +57,11 @@ on:
           "The version of Chainlink repository to use for the tests. If
           empty, defaults to github.sha."
         default: ""
+      test_matrix:
+        required: false
+        type: string
+        description: "Optional precomputed test matrix JSON string."
+        default: ""
 
 jobs:
   define-test-matrix:
@@ -76,6 +81,11 @@ jobs:
         id: define-matrix
         shell: bash
         run: |
+          if [[ -n '${{ inputs.test_matrix }}' ]]; then
+            echo 'matrix=${{ inputs.test_matrix }}' | tee -a "$GITHUB_OUTPUT"
+            exit 0
+          fi
+
           TOPOLOGIES_JSON='[
             {"topology":"workflow-gateway-capabilities","configs":"configs/workflow-gateway-capabilities-don.toml"}
           ]'
@@ -102,10 +112,10 @@ jobs:
             "Test_CRE_V2_Solana_Read_Accounts": [
                {"topology":"workflow","configs":"configs/workflow-don-solana.toml"}
              ],
-          "Test_CRE_V2_Solana_Read_Block": [
+            "Test_CRE_V2_Solana_Read_Block": [
                {"topology":"workflow","configs":"configs/workflow-don-solana.toml"}
              ],
-          "Test_CRE_V2_Solana_Read_Tx": [
+            "Test_CRE_V2_Solana_Read_Tx": [
                {"topology":"workflow","configs":"configs/workflow-don-solana.toml"}
              ],
             "Test_CRE_V2_Sharding": [
@@ -125,7 +135,7 @@ jobs:
              ]
           }'
 
-          test_names=$(grep -rh -oP '^func \K(Test|Example)[^(]+' system-tests/tests/smoke/cre/*_test.go | grep -v Test_Upgrade | grep -v '^TestMain$')
+          test_names=$(grep -rh -oP '^func \K(Test|Example)[^(]+' system-tests/tests/smoke/cre/*_test.go | grep -v Test_Upgrade | grep -v '^TestMain$' | grep -v '_LoadExpectedConfig$' | grep -v '_CRESettingDefaults' | grep -v '^TestMustMintVaultJWT' | grep -v '^TestPendingQueueStallWedge')
 
           tests=$(echo "$test_names" | jq -c -R -s \
             --argjson run_id "${{ github.run_id }}" \
@@ -186,11 +196,10 @@ jobs:
           persist-credentials: false
 
       - name: Set up Go
-        id: setup-go
-        uses: smartcontractkit/.github/actions/ctf-setup-go@fa1d48a33e24f9b3b9f8c52e99a578a4597cb2a5 # v0.4.0
+        uses: actions/setup-go@v7
         with:
-          go_mod_path: system-tests/tests/go.mod
-          no_cache: true
+          go-version-file: system-tests/tests/go.mod
+          cache: false
 
       - name: Restore Pre-Compiled Test Binaries from S3 Cache
         uses: actions/cache/restore@v6
@@ -391,7 +400,7 @@ jobs:
 
           exit_code="$?"
           if [ "$exit_code" -eq 0 ]; then
-            echo "tests_result=✅ Tests passed" >> "${GITHUB_OUTPUT}"
+            echo "tests_result=✅ Tests passed" | tee -a "${GITHUB_OUTPUT}"
           fi
 
       - name:

.github/workflows/integration-in-memory-tests.yml

@@ -186,14 +186,17 @@ jobs:
 
       - name: Set up Go for compilation
         id: setup-go
-        uses: smartcontractkit/.github/actions/ctf-setup-go@fa1d48a33e24f9b3b9f8c52e99a578a4597cb2a5 # v0.4.0
+        uses: actions/setup-go@v7
         with:
-          go_mod_path: integration-tests/go.mod
-          cache_key_id: integration-tests-v1
-          cache_builds: true
-          cache_restore_only: ${{ github.ref_name != 'develop' }}
-          should_tidy: false
-          gati_token: ${{ steps.github-token.outputs.access-token }}
+          go-version-file: integration-tests/go.mod
+          cache: true
+          cache-dependency-path: |
+            system-tests/tests/go.sum
+            integration-tests/go.sum
+
+      - name: Configure Go private modules
+        shell: bash
+        run: go env -w GOPRIVATE=github.com/smartcontractkit/*
 
       - name: Compile E2E test binaries and tools
         shell: bash
@@ -202,7 +205,6 @@ jobs:
           # Restored mod cache contains shallow VCS clones that can be in an
           # inconsistent state after tar restore, breaking fetches of new
           # pseudo-versions ("shallow file has changed since we read it").
-          # Drop them; only private repos re-clone, public zips stay cached.
           rm -rf "$(go env GOMODCACHE)/cache/vcs"
           mkdir -p integration-tests/bin
           (cd integration-tests && go test -c -ldflags="-s -w" -o ./bin/ccip-inmemory.test ./smoke/ccip)