COV: Omit tests, drop obsolete omissions

effigies · effigies · commit f993b63f7944 · 2018-03-09T09:59:40.000-05:00
diff --git a/.coveragerc b/.coveragerc
@@ -5,5 +5,4 @@ include = */nibabel/*, */nisext/*
 omit =
     */externals/*
     */benchmarks/*
-    */ast.py
-    */codegen.py
+    */tests/*
