ci(metis): anchor quality stage to workspace path

Jenkinsfile

@@ -95,6 +95,7 @@ spec:
   }
   options {
     disableConcurrentBuilds()
+    buildDiscarder(logRotator(daysToKeepStr: '30', numToKeepStr: '200', artifactDaysToKeepStr: '30', artifactNumToKeepStr: '120'))
   }
   parameters {
     booleanParam(
@@ -189,12 +190,38 @@ PY
             apt-get install -y --no-install-recommends xz-utils >/dev/null
             mkdir -p build
             go install github.com/jstemmer/go-junit-report/v2@latest
+            cd "${WORKSPACE}"
+            docs_rc=1
+            quality_rc=1
+            test_rc=1
+
             set +e
+            cd "${WORKSPACE}/testing"
+            METIS_USE_EXISTING_COVERAGE=1 go test -v -run TestExportedDocs ./...
+            docs_rc=$?
+            printf '%s\n' "${docs_rc}" > "${WORKSPACE}/build/docs-naming.rc"
+            if [ "${docs_rc}" -eq 0 ]; then
+              METIS_USE_EXISTING_COVERAGE=1 go test -v ./...
+              quality_rc=$?
+            fi
+            cd "${WORKSPACE}"
+
+            if [ "${docs_rc}" -eq 0 ] && [ "${quality_rc}" -eq 0 ]; then
               go test -v -count=1 -coverprofile=build/coverage.out ./... > build/test.out 2>&1
               test_rc=$?
+            fi
             set -e
+
+            if [ -f build/test.out ]; then
               cat build/test.out
               "$(go env GOPATH)/bin/go-junit-report" < build/test.out > "${JUNIT_XML}"
+            else
+              cat > "${JUNIT_XML}" <<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+<testsuites tests="0" failures="0" errors="0" skipped="0"></testsuites>
+EOF
+            fi
+
             coverage="0"
             if [ -f build/coverage.out ]; then
               coverage="$(go tool cover -func=build/coverage.out | awk '/^total:/ {gsub("%","",$3); print $3}')"
@@ -202,20 +229,8 @@ PY
             export GO_COVERAGE="${coverage}"
             printf '{"summary":{"percent_covered":%s}}\n' "${GO_COVERAGE}" > "${COVERAGE_JSON}"
 
-            quality_rc=0
-            if [ "${test_rc}" -eq 0 ]; then
-              set +e
-              cd testing
-              METIS_USE_EXISTING_COVERAGE=1 go test -v ./...
-              quality_rc=$?
-              set -e
-              cd "${WORKSPACE}"
-            else
-              quality_rc=1
-            fi
-
             gate_rc=0
-            if [ "${test_rc}" -ne 0 ] || [ "${quality_rc}" -ne 0 ]; then
+            if [ "${docs_rc}" -ne 0 ] || [ "${quality_rc}" -ne 0 ] || [ "${test_rc}" -ne 0 ]; then
               gate_rc=1
             fi
             printf '%s\n' "${gate_rc}" > "${TEST_EXIT_CODE_PATH}"