Avoid repeated extension logger initialization in tests

src/tests.rs

@@ -1,25 +1,17 @@
 #[cfg(test)]
 mod tests {
     use crate::init;
-    use std::vec;
     use uuid::Uuid;
 
     #[test]
-    fn uuid_output_is_uuid4_identifier() {
+    fn uuid_command_accepts_no_arguments_and_rejects_arguments() {
         let extension = init().testing();
+
         let (output, _) = extension.call("uuid", None);
+        assert!(Uuid::parse_str(&output).is_ok());
 
-        let validation = Uuid::parse_str(&output);
-
-        assert!(validation.is_ok())
-    }
-
-    #[test]
-    fn uuid_output_throws_if_passed_args() {
-        let extension = init().testing();
-        let args: Vec<String> = vec![1.to_string(), 2.to_string()];
-        let (output, _) = extension.call("uuid", Some(args));
-
-        assert_eq!(output, "")
+        let args = vec!["1".to_string(), "2".to_string()];
+        let (output_with_args, _) = extension.call("uuid", Some(args));
+        assert_eq!(output_with_args, "");
     }
 }