Linters have own CI test

Author: mdulin2

.github/workflows/build.yml

@@ -375,6 +375,19 @@ jobs:
       - name: Check coverage against baseline
         run: ./coverage-check
 
+  # Run unit tests for the custom Go linters
+  linter-tests:
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
+        with:
+          go-version: "1.25.10"
+      - name: Run custom linter tests
+        run: make -C linters test
+
   # Run Rust lints and tests
   rust-lint-and-tests:
     runs-on: ubuntu-24.04

Makefile

@@ -53,14 +53,11 @@ $(BIN)/guardiand: dirs generate
 	  github.com/certusone/wormhole/node
 
 .PHONY: test-coverage
-## Run tests with coverage for node, sdk, and the custom linters (matches CI)
+## Run tests with coverage for node, and sdk
 test-coverage:
-	@echo "Running tests with coverage for node, sdk, and linters..."
+	@echo "Running tests with coverage for node, and sdk..."
 	@set -o pipefail && (cd node && go test -count=1 -v -timeout 5m -race -cover ./...) 2>&1 | tee coverage.txt
 	@set -o pipefail && (cd sdk && go test -count=1 -v -timeout 5m -race -cover ./...) 2>&1 | tee -a coverage.txt
-	@for mod in $$(find linters -name go.mod); do \
-	  set -o pipefail && (cd $$(dirname $$mod) && go test -count=1 -v -timeout 5m -race -cover ./...) 2>&1 | tee -a coverage.txt || exit $$?; \
-	done
 
 .PHONY: test-fast
 ## Run fast tests for node and sdk, skipping tests gated by testing.Short() and fuzz smoke tests