Respect "skip unittest" user configuration (#139)

src/dscanner/analysis/explicitly_annotated_unittests.d

@@ -24,6 +24,9 @@ extern(C++) class ExplicitlyAnnotatedUnittestCheck(AST) : BaseAnalyzerDmd
 	{
 		import dmd.astenums : STC;
 
+		if (skipTests)
+			return;
+
 		if (!(d.storage_class & STC.safe || d.storage_class & STC.system))
 			addErrorMessage(cast(ulong) d.loc.linnum, cast(ulong) d.loc.charnum,
 					KEY, MESSAGE);

src/dscanner/analysis/has_public_example.d

@@ -47,6 +47,9 @@ extern (C++) class HasPublicExampleCheck(AST) : BaseAnalyzerDmd
 
 	override void visit(AST.UnitTestDeclaration unitTestDecl)
 	{
+		if (skipTests)
+			return;
+
 		if (unitTestDecl.comment() !is null)
 			isDocumented = true;
 	}

src/dscanner/analysis/label_var_same_name_check.d

@@ -33,7 +33,6 @@ extern (C++) class LabelVarNameCheck(AST) : BaseAnalyzerDmd
 
 	mixin FunctionVisit!(AST.FuncDeclaration);
 	mixin FunctionVisit!(AST.TemplateDeclaration);
-	mixin FunctionVisit!(AST.UnitTestDeclaration);
 	mixin FunctionVisit!(AST.FuncLiteralDeclaration);
 
 	mixin AggregateVisit!(AST.ClassDeclaration);
@@ -134,6 +133,28 @@ extern (C++) class LabelVarNameCheck(AST) : BaseAnalyzerDmd
 		popAggregateName();
 	}
 
+	override void visit(AST.UnitTestDeclaration unitTestDecl)
+	{
+		if (skipTests)
+			return;
+
+		auto oldIsInFunction = isInFunction;
+		auto oldIsInLocalFunction = isInLocalFunction;
+
+		pushScope();
+
+		if (isInFunction)
+			isInLocalFunction = true;
+		else
+			isInFunction = true;
+
+		super.visit(unitTestDecl);
+		popScope();
+
+		isInFunction = oldIsInFunction;
+		isInLocalFunction = oldIsInLocalFunction;
+	}
+
 private:
 	extern (D) Thing[string][] stack;
 	int conditionalDepth;