Update freetype test. NFC

Specifically this change allows us to run `--rebase` to update the
expected output.

Author: sbc100

test/freetype_test.c renamed to test/test_freetype.c

@@ -94,7 +94,7 @@ main( int     argc,
   int           target_height;
   int           n, num_chars;
 
-  filename      = "LiberationSansBold.ttf";                          
+  filename      = "LiberationSansBold.ttf";
   text          = "w";
   num_chars     = strlen( text );
   WIDTH         = 16;
@@ -143,6 +143,5 @@ main( int     argc,
   FT_Done_Face    ( face );
   FT_Done_FreeType( library );
 
-  
   return 0;
 }

test/test_freetype.out

@@ -0,0 +1,16 @@
+                
+                
+                
+                
+***    +***+    
+***+   *****   +
++**+   *****   +
++***  +**+**+  *
+ ***+ ***+**+ +*
+ +**+ *** *** +*
+ +**++**+ +**+**
+  ***+**+ +**+**
+  ******   *****
+  +****+   +****
+  +****+   +****
+   ****     ****

test/test_other.py

@@ -2487,29 +2487,12 @@ def test_freetype(self):
     # copy the Liberation Sans Bold truetype file located in the
     # <emscripten_root>/test/freetype to the compilation folder
     shutil.copy2(test_file('freetype/LiberationSansBold.ttf'), os.getcwd())
+    self.emcc_args += ['--embed-file', 'LiberationSansBold.ttf']
     # the test program will print an ascii representation of a bitmap where the
-    # 'w' character has been rendered using the Liberation Sans Bold font
-    expectedOutput = '                \n' + \
-                     '                \n' + \
-                     '                \n' + \
-                     '                \n' + \
-                     '***    +***+    \n' + \
-                     '***+   *****   +\n' + \
-                     '+**+   *****   +\n' + \
-                     '+***  +**+**+  *\n' + \
-                     ' ***+ ***+**+ +*\n' + \
-                     ' +**+ *** *** +*\n' + \
-                     ' +**++**+ +**+**\n' + \
-                     '  ***+**+ +**+**\n' + \
-                     '  ******   *****\n' + \
-                     '  +****+   +****\n' + \
-                     '  +****+   +****\n' + \
-                     '   ****     ****'
-    # build test program with the font file embed in it
-    self.do_runf('freetype_test.c', expectedOutput,
-                 emcc_args=['-sUSE_FREETYPE', '--embed-file', 'LiberationSansBold.ttf'])
-    self.do_runf('freetype_test.c', expectedOutput,
-                 emcc_args=['--use-port=freetype', '--embed-file', 'LiberationSansBold.ttf'])
+    # 'w' character has been rendered using the Liberation Sans Bold font.
+    # See test_freetype.out
+    self.do_run_in_out_file_test('test_freetype.c', emcc_args=['-sUSE_FREETYPE'])
+    self.do_run_in_out_file_test('test_freetype.c', emcc_args=['--use-port=freetype'])
 
   @requires_network
   def test_freetype_with_pthreads(self):