test to see what coverage pypy is providing (#4411)

diff --git a/.travis.yml b/.travis.yml
index 4288eb4..efee367 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,9 +32,9 @@
           dist: xenial
           sudo: true
         - python: pypy-5.3
-          env: TOXENV=pypy
+          env: TOXENV=pypy-nocoverage
         - python: pypy2.7-5.10.0
-          env: TOXENV=pypy
+          env: TOXENV=pypy-nocoverage
         - python: pypy3.5-5.10.1
           env: TOXENV=pypy3-nocoverage
         - python: 2.7