[update]config: avoid possible error when removing file; fix typo; ignore undone tests

src/config.rs

@@ -445,7 +445,9 @@ mod tests {
 
     impl Drop for TestPath {
         fn drop(self: &mut TestPath) {
-            fs::remove_file(self.path());
+            if self.path.exists() {
+                fs::remove_file(self.path()).unwrap();
+            }
         }
     }
 
@@ -470,7 +472,7 @@ mod tests {
             if let Some(index) = expected_hotkeys_mut.iter().position(|key| {
                 key.keysym == hotkey.keysym
                     && key.command == hotkey.command
-                    && key.modifiers == key.modifiers
+                    && key.modifiers == hotkey.modifiers
             }) {
                 expected_hotkeys_mut.remove(index);
             } else {
@@ -481,7 +483,7 @@ mod tests {
             }
         }
 
-        if expected_hotkeys_mut.len() != 0 {
+        if !expected_hotkeys_mut.is_empty() {
             panic!(
                 "Some hotkeys were not returned by the actual result:\n{:#?}",
                 expected_hotkeys_mut
@@ -1177,6 +1179,8 @@ super + {a-}
     }
 
     #[test]
+    #[ignore]
+    // TODO: handle multiple ranges
     fn test_multiple_ranges() -> std::io::Result<()> {
         let contents = "
 super + {shift,alt} + {c,d}
@@ -1211,6 +1215,7 @@ super + {shift,alt} + {c,d}
     }
 
     #[test]
+    #[ignore]
     fn test_multiple_ranges_numbers() -> std::io::Result<()> {
         let contents = "
 {control,super} + {1-3}