test: rename test functions to start with verbs for clarity

Author: reddevilmidzy

src/file_manager/models.rs

@@ -110,7 +110,7 @@ mod tests {
     use super::*;
 
     #[test]
-    fn test_language_from_filename_success() {
+    fn can_parse_language_from_valid_filename() {
         assert_eq!(
             Language::from_filename("solution.py").unwrap(),
             Language::Python
@@ -139,7 +139,7 @@ mod tests {
     }
 
     #[test]
-    fn test_language_from_filename_errors() {
+    fn fails_to_parse_language_from_invalid_filename() {
         assert_eq!(
             Language::from_filename(".java").unwrap_err(),
             LanguageError::InvalidFilename
@@ -167,7 +167,7 @@ mod tests {
     }
 
     #[test]
-    fn test_language_from_extension_success() {
+    fn can_parse_language_from_valid_extension() {
         assert_eq!(Language::from_extension("py").unwrap(), Language::Python);
         assert_eq!(Language::from_extension("rs").unwrap(), Language::Rust);
         assert_eq!(Language::from_extension("java").unwrap(), Language::Java);
@@ -198,7 +198,7 @@ mod tests {
     }
 
     #[test]
-    fn test_language_from_extension_errors() {
+    fn fails_to_parse_language_from_invalid_extension() {
         assert_eq!(
             Language::from_extension("").unwrap_err(),
             LanguageError::UnsupportedExtension("".to_string())