Fix most of PreviewImagesTests

Author: ERSUCC

.gitignore

@@ -30,10 +30,17 @@ target/
 /Code Examples/File Output Example.png
 /Code Examples/Fully Connected Network Example.png
 /Code Examples/Extensions Examples/gis/GIS General Examples.png
+/Code Examples/Extensions Examples/gis/GIS Gradient Example.png
+/Code Examples/Extensions Examples/nw/NW General Examples.png
 /Code Examples/Extensions Examples/palette/Color Bubbles.png
 /Code Examples/Extensions Examples/palette/Color Painting.png
 /Code Examples/Extensions Examples/palette/Color Reveal.png
 /Code Examples/Extensions Examples/py/Python Flocking Clusters.png
+/Code Examples/Extensions Examples/sr/linear_regression-example.png
+/Code Examples/Extensions Examples/sr/plotting.png
+/Code Examples/Extensions Examples/sr/ripleysK-example.png
+/Code Examples/Extensions Examples/sr/spearman-example.png
+/Code Examples/Extensions Examples/sr/wilcoxon-example.png
 /Code Examples/Extensions Examples/rnd/Rnd Example.png
 /Code Examples/Extensions Examples/csv/CSV Example.png
 /Code Examples/Extensions Examples/time/Discrete Event Whack-a-Mole.png
@@ -209,9 +216,11 @@ target/
 /Sample Models/Art/Diffusion Graphics.png
 /Sample Models/Art/Fireworks.png
 /Sample Models/Art/Follower.png
-/Sample Models/Art/Optical Illusions.png
+/Sample Models/Art/GenJam - Duple.png
 /Sample Models/Art/Geometron Top-Down.png
 /Sample Models/Art/Kaleidoscope.png
+/Sample Models/Art/Optical Illusions.png
+/Sample Models/Art/Sound Machines.png
 /Sample Models/Biology/HIV.png
 /Sample Models/Biology/Ant Lines.png
 /Sample Models/Biology/Ants.png
@@ -381,6 +390,7 @@ target/
 /Sample Models/Earth Science/River Meanders.png
 /Sample Models/Earth Science/Unverified/Lightning.png
 /Sample Models/Games/Ant Adaptation.png
+/Sample Models/Games/Frogger.png
 /Sample Models/Games/Lunar Lander.png
 /Sample Models/Games/Minesweeper.png
 /Sample Models/Games/Pac-Man.png
@@ -391,8 +401,6 @@ target/
 /Sample Models/Mathematics/3D Solids.png
 /Sample Models/Mathematics/3D Surface.png
 /Sample Models/Mathematics/Color Fractions.png
-/Sample Models/Mathematics/Conic Sections 1.png
-/Sample Models/Mathematics/Conic Sections 2.png
 /Sample Models/Mathematics/Conic Sections/Emergent Shapes - Ellipse.png
 /Sample Models/Mathematics/Conic Sections/Emergent Shapes - Hyperbola.png
 /Sample Models/Mathematics/Conic Sections/Emergent Shapes - Parabola.png

src/test/scala/org/nlogo/models/PreviewImagesTests.scala

@@ -71,7 +71,17 @@ class PreviewImagesTests extends TestModels {
     "Mandelian Inheritance",
     "Discrete Event Mousetrap",
     "Calorimetry",
-    "Robotic Factory" // `import-drawing` doesn't seem to work as a preview command
+    "Robotic Factory", // `import-drawing` doesn't seem to work as a preview command
+    "boxplot-example",
+    "datafile-example",
+    "diversity-example",
+    "example1",
+    "interactiveShell",
+    "package-example",
+    "patchesToRMatrix",
+    "plot-example1",
+    "plot-to-file-example",
+    "rscript-example"
   )
   testModels("Models should have manual previews only if needed or permitted") { m =>
     if (manualPreviewNeeded.exists(m.file.getPath.contains))