Silence SA1515 because it is too dogmatic in practice

Author: tdg5

Tdg5.StandardConventions.Tests/Data/StyleCopRules/BlockScopedExpectations.cs

@@ -568,7 +568,8 @@ public static void SA1512_SingleLineCommentsMustNotBeFollowedByBlankLine()
     /// A method that contains a single line comment that is not preceded by a
     /// blank line.
     /// </summary>
-    [CodeAnalysisViolationExpected("SA1515", "Warning")]
+    [CodeAnalysisViolationExpected(
+        "SA1515", "Warning", disabledReason: "SA1515 is silenced")]
     public static void SA1515_SingleLineCommentMustBePrecededByBlankLine()
     {
         static int Method() => 0;

Tdg5.StandardConventions/Tdg5.StandardConventions.globalconfig

@@ -804,7 +804,8 @@ dotnet_diagnostic.SA1513.severity = none
 dotnet_diagnostic.SA1514.severity = warning
 
 # SA1515: Single-line comment should be preceded by blank line.
-dotnet_diagnostic.SA1515.severity = warning
+# Motivation: In practice, this is too dogmatic.
+dotnet_diagnostic.SA1515.severity = silent
 
 # SA1516: Elements should be separated by blank line.
 dotnet_diagnostic.SA1516.severity = warning