ci: parallelize Linux tests and skip HAR packaging on PRs (#2678)

.github/workflows/test.yml

@@ -43,6 +43,7 @@ jobs:
     env:
       RELEVANT_PATHS: >-
         ["Cargo.toml", "Cargo.lock", "rust-toolchain.toml", ".cargo/**",
+        ".config/nextest.toml",
         "pnpm-lock.yaml", "pnpm-workspace.yaml", "package.json", "easytier/**",
         "easytier-core/**", "easytier-proto/**", "easytier-rpc-build/**",
         "easytier-web/**", "easytier-gui/src-tauri/**",
@@ -166,23 +167,11 @@ jobs:
           path: tests.tar.zst
           retention-days: 1
 
-  test_matrix:
-    name: Test (${{ matrix.name }})
+  run-tests:
+    name: Run tests
     runs-on: ubuntu-latest
     needs: [ pre_job, pre-test ]
     if: needs.pre_job.outputs.should_skip != 'true'
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - name: "easytier"
-            opts: "-E 'not test(tests::three_node)' --test-threads 1 --no-fail-fast"
-
-          - name: "three_node"
-            opts: "-E 'test(tests::three_node) and not test(subnet_proxy_three_node_test)' --test-threads 1 --no-fail-fast"
-
-          - name: "three_node::subnet_proxy_three_node_test"
-            opts: "-E 'test(subnet_proxy_three_node_test)' --test-threads 1 --no-fail-fast"
     steps:
       - uses: actions/checkout@v5
 
@@ -217,11 +206,11 @@ jobs:
         run: |
           sudo prlimit --pid $$ --nofile=1048576:1048576
           sudo -E env "PATH=$PATH" EASYTIER_LINUX_BPF_INTEGRATION=required \
-            cargo nextest run --archive-file tests.tar.zst ${{ matrix.opts }}
+            cargo nextest run --archive-file tests.tar.zst --profile ci --no-fail-fast
 
   test:
     runs-on: ubuntu-latest
-    needs: [ pre_job, ci-scripts, check, pre-test, test_matrix ]
+    needs: [ pre_job, ci-scripts, check, pre-test, run-tests ]
     if: ${{ always() }}
     steps:
       - name: Mark result as failed