Expand goreleaser brews test block

Cover: version, help, unauthenticated search+jq, locations,
auth errors, missing key, invalid archive ID (offline), api_error.

Author: ilyazub

.goreleaser.yml

@@ -58,3 +58,13 @@ brews:
       bin.install "serpapi"
     test: |
       assert_match version.to_s, shell_output("#{bin}/serpapi --version")
+      assert_match "search", shell_output("#{bin}/serpapi --help")
+      assert_match "organic_results", shell_output("#{bin}/serpapi search q=coffee")
+      assert_match "google", shell_output("#{bin}/serpapi search q=coffee --jq .search_parameters.engine")
+      assert_match "canonical_name", shell_output("#{bin}/serpapi locations q=Austin")
+      assert_match "Invalid API key", shell_output("#{bin}/serpapi --api-key invalid search q=coffee 2>&1", 1)
+      assert_match "Invalid API key", shell_output("#{bin}/serpapi --api-key invalid account 2>&1", 1)
+      assert_match "No API key", shell_output("#{bin}/serpapi account 2>&1", 2)
+      assert_match "No API key", shell_output("#{bin}/serpapi archive abc123 2>&1", 2)
+      assert_match "Invalid archive ID", shell_output("#{bin}/serpapi --api-key x archive ../bad 2>&1", 2)
+      assert_match "api_error", shell_output("#{bin}/serpapi --api-key invalid archive abc123 2>&1", 1)