Move all test utils to src/ and hide them behind an "integration" feature. This way, other crates and integration tests as well can use it

Author: gabotechs

src/test_utils/insta.rs

@@ -1,3 +1,4 @@
+use datafusion::common::utils::get_available_parallelism;
 use std::env;
 
 pub use insta;
@@ -17,6 +18,10 @@ pub fn settings() -> insta::Settings {
     let cwd = env::current_dir().unwrap();
     let cwd = cwd.to_str().unwrap();
     settings.add_filter(cwd.trim_start_matches("/"), "");
+    let cpus = get_available_parallelism();
+    settings.add_filter(&format!(", {cpus}\\)"), ", CPUs)");
+    settings.add_filter(&format!("\\({cpus}\\)"), "(CPUs)");
+    settings.add_filter(&format!("input_partitions={cpus}"), "input_partitions=CPUs");
     settings.add_filter(
         r"[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}",
         "UUID",