Correct CLI migration test expectations for source8

crates/oa-cli/tests/mixed_cli.rs

@@ -7,7 +7,7 @@ use std::{
     collections::BTreeMap,
     fs,
     path::{Path, PathBuf},
-    process::{Command, Output},
+    process::{Command as ProcessCommand, Output},
 };
 #[path = "../../oa-core/src/language/analysis_source/model_oracle.rs"]
 mod independent_model;
@@ -65,7 +65,7 @@ impl Fixture {
     }
     fn run(&self, options: &[&str]) -> Output {
         let before = self.inventory();
-        let result = Command::new(env!("CARGO_BIN_EXE_arcadia"))
+        let result = ProcessCommand::new(env!("CARGO_BIN_EXE_arcadia"))
             .arg("check-mixed")
             .arg(self.entry())
             .args(options)
@@ -473,7 +473,7 @@ fn mixed_cli_direct_disk_error_uses_existing_operation_error_envelope() {
     f.put(".arcadia-save-reserved.arcadia", document(""));
     let before = f.inventory();
     let entry = f.0.join(".arcadia-save-reserved.arcadia");
-    let output = Command::new(env!("CARGO_BIN_EXE_arcadia"))
+    let output = ProcessCommand::new(env!("CARGO_BIN_EXE_arcadia"))
         .arg("check-mixed")
         .arg(&entry)
         .arg("--json")