Fixed copy/paste error (from local dev to repo)

src/libraries/Common/tests/Tests/System/StringTests.cs

@@ -4700,15 +4700,15 @@ public static void Remove_Invalid()
         // Single iteration of vectorised path; 3 remainders handled by vectorized path
         [InlineData("AaaaaaaaaAa", 'A', 'a', "aaaaaaaaaaa")]
         // Eight chars before a match (copyLength > 0), single iteration of vectorized path for the remainder
-        [InlineData("12345678AAAAAAA", 'A', 'a', "12345678aaaaaaaa")]
+        [InlineData("12345678AAAAAAA", 'A', 'a', "12345678aaaaaaa")]
         // ------------------------- For Vector<ushort>.Count == 16 (AVX2) -------------------------
         [InlineData("AaaaaaaaAaaaaaaa", 'A', 'a', "aaaaaaaaaaaaaaaa")] // Single iteration of vectorised path; no remainders through non-vectorised path
         // Three leading 'a's before a match (copyLength > 0), Single iteration of vectorised path; no remainders through non-vectorised path
         [InlineData("aaaAaaaaaaaAaaaaaaa", 'A', 'a', "aaaaaaaaaaaaaaaaaaa")]
         // Single iteration of vectorised path; 3 remainders handled by vectorized path
         [InlineData("AaaaaaaaAaaaaaaaaAa", 'A', 'a', "aaaaaaaaaaaaaaaaaaa")]
         // Sixteen chars before a match (copyLength > 0), single iteration of vectorized path for the remainder
-        [InlineData("1234567890123456AAAAAAAAAAAAAAAA", 'A', 'a', "1234567890123456aaaaaaaaaaaaaaa")]
+        [InlineData("1234567890123456AAAAAAAAAAAAAAA", 'A', 'a', "1234567890123456aaaaaaaaaaaaaaa")]
         // ----------------------------------- General test data -----------------------------------
         [InlineData("Hello", 'l', '!', "He!!o")] // 2 match, non-vectorised path
         [InlineData("Hello", 'e', 'e', "Hello")] // oldChar and newChar are same; nothing to replace