Add a test case to detect changes in generate json-schema output

crates/noseyparker-cli/tests/generate/mod.rs

@@ -0,0 +1,16 @@
+//! Tests for Nosey Parker `generate` functionality
+
+use super::*;
+
+#[test]
+fn generate_json_schema() {
+    let cmd = noseyparker_success!("generate", "json-schema");
+
+    let output = cmd.get_output();
+    let status = output.status;
+    assert!(status.success());
+    let stdout: serde_json::Value = serde_json::from_slice(&output.stdout).unwrap();
+    assert_json_snapshot!(stdout);
+    let stderr = String::from_utf8(output.stderr.clone()).unwrap();
+    assert_eq!(stderr, "");
+}