Adjusted testing code

Source/QuestPDF.Examples/DynamicFibonacci.cs

@@ -75,7 +75,7 @@ namespace QuestPDF.Examples
                 .Create()
                 .ShowResults()
                 .MaxPages(100)
-                .ProduceImages()
+                .ProducePdf()
                 .RenderDocument(container =>
                 {
                     container.Page(page =>

Source/QuestPDF.Examples/DynamicOptimizedExample.cs

@@ -154,6 +154,7 @@ namespace QuestPDF.Examples
             RenderingTest
                 .Create()
                 .PageSize(PageSizes.A5)
+                .ProducePdf()
                 .ShowResults()
                 .Render(container =>
                 {

Source/QuestPDF.Examples/DynamicPageNumberLeftRight.cs

@@ -43,7 +43,7 @@ namespace QuestPDF.Examples
                 .PageSize(PageSizes.A5)
                 .MaxPages(100)
                 .ShowResults()
-                .ProduceImages()
+                .ProducePdf()
                 .RenderDocument(container =>
                 {
                     container.Page(page =>

Source/QuestPDF.Examples/DynamicProgressHeader.cs

@@ -41,7 +41,7 @@ namespace QuestPDF.Examples
                 .Create()
                 .ShowResults()
                 .MaxPages(100)
-                .ProduceImages()
+                .ProducePdf()
                 .RenderDocument(container =>
                 {
                     container.Page(page =>