Fix more Clippy issues.

Author: dacut

base-library/src/unittest.rs

@@ -498,15 +498,3 @@ fn normalize_query_parameters_missing_value() {
     assert_eq!(result["Key2"], vec![""]);
     assert_eq!(result["Key3"], vec!["Value3"]);
 }
-
-/// Check for query parameters without a value, e.g. ?Key2&
-/// https://github.com/dacut/scratchstack-aws-signature/issues/2
-#[test]
-fn normalize_query_parameters_missing_value() {
-    let result = normalize_query_parameters("Key1=Value1&Key2&Key3=Value3");
-    assert!(result.is_ok());
-    let result = result.unwrap();
-    assert_eq!(result["Key1"], vec!["Value1"]);
-    assert_eq!(result["Key2"], vec![""]);
-    assert_eq!(result["Key3"], vec!["Value3"]);
-}