Build tidyups

test/Ben.Demystifier.Test/GenericMethodDisplayStringTests.cs

@@ -32,7 +32,7 @@ namespace Ben.Demystifier.Test
                 var s = EnhancedStackTrace.GetMethodDisplayString(sf.GetMethod());
                 Assert.True(true, "Does not throw exception when diagnosing generic method display string.");
             }
-            catch (Exception ioe)
+            catch (Exception)
             {
                 Assert.True(false, "Must not throw an exception when diagnosing generic method display string.");
             }

test/Ben.Demystifier.Test/TypeNameTests.cs

@@ -19,11 +19,11 @@ namespace Ben.Demystifier.Test
             }
         }
 
-        public void Throw(Generic<(int a, string b)>.Nested nested) 
+        private void Throw(Generic<(int a, string b)>.Nested nested) 
         {
             throw null;
         }
     }
 
     public class Generic<T> { public struct Nested { } }
-}
+}