Fix duplicate test warnings.

Author: Cesar Blum Silveira

test/Microsoft.AspNetCore.Http.Extensions.Tests/UriHelperTests.cs

@@ -83,7 +83,6 @@ public void GetDisplayUrlFromRequest()
         [InlineData("https://127.0.0.0:80/bar", "https", "127.0.0.0:80", "/bar", "", "")]
         [InlineData("http://[1080:0:0:0:8:800:200C:417A]/index.html", "http", "[1080:0:0:0:8:800:200C:417A]", "/index.html", "", "")]
         [InlineData("http://example.com///", "http", "example.com", "///", "", "")]
-        [InlineData("http://example.com///", "http", "example.com", "///", "", "")]
         public void FromAbsoluteUriParsingChecks(
             string uri, 
             string expectedScheme, 

test/Microsoft.AspNetCore.Http.Tests/RequestCookiesCollectionTests.cs

@@ -17,9 +17,6 @@ public static TheoryData UnEscapesKeyValues_Data
                 // key, value, expected
                 return new TheoryData<string, string, string>
                 {
-                    { "key=value", "key", "value" },
-                    { "key%2C=%21value", "key,", "!value" },
-                    { "ke%23y%2C=val%5Eue", "ke#y,", "val^ue" },
                     { "key=value", "key", "value" },
                     { "key%2C=%21value", "key,", "!value" },
                     { "ke%23y%2C=val%5Eue", "ke#y,", "val^ue" },

test/Microsoft.AspNetCore.Http.Tests/ResponseCookiesTest.cs

@@ -51,9 +51,6 @@ public static TheoryData EscapesKeyValuesBeforeSettingCookieData
                 // key, value, object pool, expected
                 return new TheoryData<string, string, string>
                 {
-                    { "key", "value", "key=value" },
-                    { "key,", "!value", "key%2C=%21value" },
-                    { "ke#y,", "val^ue", "ke%23y%2C=val%5Eue" },
                     { "key", "value", "key=value" },
                     { "key,", "!value", "key%2C=%21value" },
                     { "ke#y,", "val^ue", "ke%23y%2C=val%5Eue" },

test/Microsoft.AspNetCore.WebUtilities.Tests/Base64UrlTextEncoderTests.cs

@@ -55,7 +55,6 @@ public void EncodeInternal_Replaces_UrlEncodableCharacters(string base64EncodedV
         [InlineData("a_b_c_d", "a/b/c/d=")]
         [InlineData("a-b_c", "a+b/c===")]
         [InlineData("a-b_c-d", "a+b/c+d=")]
-        [InlineData("a-b_c", "a+b/c===")]
         [InlineData("abcd", "abcd")]
         public void DecodeToBase64String_ReturnsValid_Base64String(string text, string expectedValue)
         {

test/Microsoft.Net.Http.Headers.Tests/HeaderUtilitiesTest.cs

@@ -33,12 +33,26 @@ public static TheoryData<DateTimeOffset, bool> TestValues
 
                 foreach (var quoted in new[] { true, false })
                 {
-                    for (var i = 0; i < 60; i++)
+                    data.Add(now, quoted);
+
+                    for (var i = 1; i < 60; i++)
                     {
                         data.Add(now.AddSeconds(i), quoted);
                         data.Add(now.AddMinutes(i), quoted);
+                    }
+
+                    for (var i = 1; i < DateTime.DaysInMonth(now.Year, now.Month); i++)
+                    {
                         data.Add(now.AddDays(i), quoted);
+                    }
+
+                    for (var i = 1; i < 11; i++)
+                    {
                         data.Add(now.AddMonths(i), quoted);
+                    }
+
+                    for (var i = 1; i < 5; i++)
+                    {
                         data.Add(now.AddYears(i), quoted);
                     }
                 }