Renamed build area for great tab autocompletion justice.

run_tests.py

@@ -17,7 +17,7 @@
 from glob import glob
 import os, subprocess, shutil
 
-test_build_dir = 'test build area'
+test_build_dir = 'work area'
 builder_command = './builder.py'
 
 def run_test(testdir):

shellgenerator.py

@@ -93,5 +93,5 @@ if __name__ == '__main__':
     executable('prog', 'prog.c')
     """
     os.chdir(os.path.split(__file__)[0])
-    g = ShellGenerator(code, '.', 'test build area')
+    g = ShellGenerator(code, '.', 'work area')
     g.generate()