Use shared workspace instead of making a new one

Author: jyn514

tests/issue_30.rs

@@ -1,25 +1,16 @@
 use failure::Error;
 use rustwide::cmd::Command;
-use rustwide::WorkspaceBuilder;
 
-const USER_AGENT: &str = "rustwide-tests (https://github.com/rust-lang/rustwide)";
+mod utils;
 
 #[test]
 fn run_binary_with_same_name_as_file() -> Result<(), Error> {
     use std::fs;
 
-    let env = env_logger::Builder::new()
-        .filter_module("rustwide", log::LevelFilter::Info)
-        .default_format_timestamp(false)
-        .is_test(true)
-        .build();
-    rustwide::logging::init_with(env);
     let tmpdir = tempfile::tempdir()?;
     std::env::set_current_dir(&tmpdir)?;
     fs::write("true", b"foobar")?;
-    let workspace = WorkspaceBuilder::new(tempfile::tempdir()?.path(), USER_AGENT)
-        .fast_init(true)
-        .init()?;
+    let workspace = crate::utils::init_workspace()?;
     Command::new(&workspace, "true").run()?;
 
     Ok(())