feat: add Snowflake provider (#2488)

Co-authored-by: Michael Neale <michael.neale@gmail.com>

crates/goose/tests/providers.rs

@@ -4,7 +4,7 @@ use goose::message::{Message, MessageContent};
 use goose::providers::base::Provider;
 use goose::providers::errors::ProviderError;
 use goose::providers::{
-    anthropic, azure, bedrock, databricks, google, groq, ollama, openai, openrouter,
+    anthropic, azure, bedrock, databricks, google, groq, ollama, openai, openrouter, snowflake,
 };
 use mcp_core::content::Content;
 use mcp_core::tool::Tool;
@@ -479,6 +479,17 @@ async fn test_google_provider() -> Result<()> {
     .await
 }
 
+#[tokio::test]
+async fn test_snowflake_provider() -> Result<()> {
+    test_provider(
+        "Snowflake",
+        &["SNOWFLAKE_HOST", "SNOWFLAKE_TOKEN"],
+        None,
+        snowflake::SnowflakeProvider::default,
+    )
+    .await
+}
+
 // Print the final test report
 #[ctor::dtor]
 fn print_test_report() {