move testing stderr message location

Author: chrissimpkins

src/main.rs

@@ -756,7 +756,6 @@ fn install_and_test(
 {
     match t.install(&client, &dl_spec) {
         Ok(()) => {
-            eprintln!("testing...");
             let outcome = t.test(&cfg);
             // we want to fail, so a successful build doesn't satisfy us
             let r = match outcome {

src/toolchains.rs

@@ -345,6 +345,7 @@ impl Toolchain {
     }
 
     pub(crate) fn test(&self, cfg: &Config) -> TestOutcome {
+        eprintln!("testing...");
         let outcome = if cfg.args.prompt {
             loop {
                 let output = self.run_test(cfg);