ci: split system tests in two job (backport #22080) (#22089)

Co-authored-by: Julien Robert <[email protected]>

.github/workflows/test.yml

@@ -144,7 +144,7 @@ jobs:
           name: "${{ github.sha }}-e2e-coverage"
           path: ./tests/e2e-profile.out
 
-  test-system:
+  test-system: # v2 system tests are in v2-test.yml
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -183,16 +183,6 @@ jobs:
           name: "testnet-setup"
           path: ./systemtests/testnet/
           retention-days: 3
-      - name: system tests v2
-        if: env.GIT_DIFF
-        run: |
-          COSMOS_BUILD_OPTIONS=v2 make test-system
-      - uses: actions/upload-artifact@v3
-        if: failure()
-        with:
-          name: "testnet-setup"
-          path: ./systemtests/testnet/
-          retention-days: 3
 
   repo-analysis:
     runs-on: ubuntu-latest

.github/workflows/v2-test.yml

@@ -109,3 +109,43 @@ jobs:
         if: env.GIT_DIFF
         run: |
           cd server/v2/cometbft && go test -mod=readonly -race -timeout 30m -tags='ledger test_ledger_mock'
+
+  test-system-v2:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-tags: true
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.23"
+          check-latest: true
+          cache: true
+          cache-dependency-path: |
+            simapp/v2/go.sum
+            systemtest/go.sum
+      - uses: technote-space/[email protected]
+        id: git_diff
+        with:
+          PATTERNS: |
+            **/*.go
+            go.mod
+            go.sum
+            **/go.mod
+            **/go.sum
+            **/Makefile
+            Makefile
+      - name: Install musl lib for simd (docker) binary
+        if: env.GIT_DIFF
+        run: |
+          sudo apt-get install -y musl
+      - name: system tests v2
+        if: env.GIT_DIFF
+        run: |
+          COSMOS_BUILD_OPTIONS=v2 make test-system
+      - uses: actions/upload-artifact@v3
+        if: failure()
+        with:
+          name: "testnet-setup"
+          path: ./systemtests/testnet/
+          retention-days: 3