 
     func test_whenDateMonth_withLowerBound_withSingular() {
         let result = Date(timeIntervalSinceNow: -2592001).agoString
-        XCTAssertEqual(result, "1 month ago")
+        XCTAssertEqual(result, "a month ago")
     }
 
     func test_whenDateMonth_withUpperBound_withDecimal_withSingular() {
         let result = Date(timeIntervalSinceNow: -2591999.5).agoString
-        XCTAssertEqual(result, "1 month ago")
+        XCTAssertEqual(result, "a month ago")
     }
 
     func test_whenDateMonth_withUpperBound_withPlural() {


    func test_whenDateYear_withLowerBound_withSingular() {
        let result = Date(timeIntervalSinceNow: -31104001).agoString
        XCTAssertEqual(result, "1 year ago")
    }

    func test_whenDateYear_withUpperBound_withDecimal_withSingular() {
        let result = Date(timeIntervalSinceNow: -31103999.5).agoString
        XCTAssertEqual(result, "1 year ago")
    }

    func test_whenDateYear_withUpperBound_withPlural() {


    func test_whenDateDay_withLowerBound_withSingular() {
        let result = Date(timeIntervalSinceNow: -86401).agoString
        XCTAssertEqual(result, "a day ago")
    }

    func test_whenDateDay_withUpperBound_withDecimal_withSingular() {
        let result = Date(timeIntervalSinceNow: -86399.5).agoString
        XCTAssertEqual(result, "a day ago")
    }

    func test_whenDateDay_withUpperBound_withPlural() {
