Only report Let or Set in WriteOnlyPropertyInspection

A test was there, but the assert was wrong.

Author: MDoerner

Rubberduck.CodeAnalysis/Inspections/Concrete/WriteOnlyPropertyInspection.cs

@@ -51,7 +51,7 @@ protected override IEnumerable<IInspectionResult> DoGetInspectionResults(Qualifi
         {
             var setters = RelevantDeclarationsInModule(module, finder)
                 .Where(declaration => IsResultDeclaration(declaration, finder))
-                .GroupBy(declaration => declaration.DeclarationType)
+                .GroupBy(declaration => declaration.QualifiedName)
                 .Select(grouping => grouping.First()); // don't get both Let and Set accessors
 
             return setters
@@ -62,8 +62,8 @@ protected override IEnumerable<IInspectionResult> DoGetInspectionResults(Qualifi
         protected override bool IsResultDeclaration(Declaration declaration, DeclarationFinder finder)
         {
             return (declaration.Accessibility == Accessibility.Implicit
-                    || declaration.Accessibility == Accessibility.Public
-                    || declaration.Accessibility == Accessibility.Global)
+                       || declaration.Accessibility == Accessibility.Public
+                       || declaration.Accessibility == Accessibility.Global)
                    && finder.MatchName(declaration.IdentifierName)
                        .Where(otherDeclaration => otherDeclaration.QualifiedModuleName.Equals(declaration.QualifiedModuleName))
                        .All(accessor => accessor.DeclarationType != DeclarationType.PropertyGet);

RubberduckTests/Inspections/WriteOnlyPropertyInspectionTests.cs

@@ -43,7 +43,7 @@ End Property
 Property Set Foo(value)
 End Property";
 
-            Assert.AreEqual(2, InspectionResultsForModules(("MyClass", inputCode, ComponentType.ClassModule)).Count());
+            Assert.AreEqual(1, InspectionResultsForModules(("MyClass", inputCode, ComponentType.ClassModule)).Count());
         }
 
         [Test]