chore: changes build command features for Windows builds in testing

appveyor.yml

@@ -9,5 +9,4 @@ build: false
 
 test_script:
   - cargo build --features yaml
-  - cargo test --features yaml
-  - cargo build --no-default-features
+  - cargo test --no-default-features --features yaml 

src/errors.rs

@@ -497,10 +497,11 @@ pub enum ClapErrorType {
     UnexpectedMultipleUsage,
     /// Error occurs when argument contains invalid unicode characters
     ///
+    /// **Note:** Non-Windows OS only
     ///
     /// # Examples
     ///
-    /// ```no_run
+    /// ```ignore
     /// # use clap::{App, Arg};
     /// # use std::os::unix::ffi::OsStringExt;
     /// # use std::ffi::OsString;

src/suggestions.rs

@@ -72,7 +72,7 @@ pub enum DidYouMeanMessageStyle {
     EnumValue,
 }
 
-#[cfg(test)]
+#[cfg(all(test, features = "suggestions"))]
 mod test {
     use super::*;
 
@@ -81,6 +81,5 @@ mod test {
         let p_vals = ["test", "possible", "values"];
         assert_eq!(did_you_mean("tst", p_vals.iter()), Some("test"));
         assert!(did_you_mean("hahaahahah", p_vals.iter()).is_none());
-
     }
 }