Full test coveragem for data package

skimage/data/tests/test_data.py

@@ -15,9 +15,25 @@ def test_camera():
 
 
 def test_checkerboard():
-    """ Test that checkerboard image can be loaded. """
+    """ Test that "checkerboard" image can be loaded. """
     data.checkerboard()
 
+
+def test_text():
+    """ Test that "text" image can be loaded. """
+    data.text()
+
+
+def test_moon():
+    """ Test that "moon" image can be loaded. """
+    data.moon()
+
+
+def test_page():
+    """ Test that "page" image can be loaded. """
+    data.page()
+
+
 if __name__ == "__main__":
     from numpy.testing import run_module_suite
     run_module_suite()