Proper location for ensure_app when running srv tests

setup/test.py

@@ -83,8 +83,6 @@ class Test(Command):
                           ' can be run by specifying the name "something".')
 
     def run(self, opts):
-        from calibre.gui2 import ensure_app, load_builtin_fonts
-        ensure_app(), load_builtin_fonts()
         r = unittest.TextTestRunner
         tests = find_tests(which_tests=frozenset(opts.test_module))
         if opts.test_name:

src/calibre/srv/tests/content.py

@@ -15,6 +15,11 @@ from calibre.srv.tests.base import LibraryBaseTest
 from calibre.utils.imghdr import identify
 from calibre.utils.shared_file import share_open, test as test_share_open
 
+def setUpModule():
+    # Needed for cover generation
+    from calibre.gui2 import ensure_app, load_builtin_fonts
+    ensure_app(), load_builtin_fonts()
+
 class ContentTest(LibraryBaseTest):
 
     def test_static(self):  # {{{

src/calibre/srv/tests/main.py

@@ -63,8 +63,6 @@ def find_tests():
     return unittest.TestSuite(suits)
 
 def run_tests(find_tests=find_tests):
-    from calibre.gui2 import ensure_app, load_builtin_fonts
-    ensure_app(), load_builtin_fonts()  # needed for dynamic cover generation
     parser = argparse.ArgumentParser()
     parser.add_argument('name', nargs='?', default=None,
                         help='The name of the test to run, for e.g. writing.WritingTest.many_many_basic or .many_many_basic for a shortcut')