Tests: Move test PDF files into Tests/LibPDF

Let's put test files with the tests themselves, instead of a random user
directory. (But still copy them so they appear in the user directory
for convenience.)

Tests/LibPDF/CMakeLists.txt

@@ -6,8 +6,11 @@ foreach(source IN LISTS TEST_SOURCES)
     serenity_test("${source}" LibPDF LIBS LibCore LibPDF)
 endforeach()
 
-install(
+set(TEST_FILES
-    FILES "../../Base/home/anon/Documents/pdf/complex.pdf"
+    complex.pdf
-          "../../Base/home/anon/Documents/pdf/linearized.pdf"
+    linearized.pdf
-          "../../Base/home/anon/Documents/pdf/non-linearized.pdf"
+    non-linearized.pdf
-    DESTINATION usr/Tests/LibPDF)
+    type1.pdf
+)
+install(FILES ${TEST_FILES} DESTINATION home/anon/Documents/pdf)
+install(FILES ${TEST_FILES} DESTINATION usr/Tests/LibPDF)