ci: try moving slower 2.8.0 jobs together

Author: dw

.travis.yml

@@ -49,16 +49,17 @@ matrix:
 
     # ansible_mitogen tests.
 
-    # 3.6 -> {debian, centos6, centos7}
+    # 2.8.0 -> {debian, centos6, centos7}
     - python: "3.6"
       env: MODE=ansible VER=2.8.0
-    - python: "3.6"
-      env: MODE=ansible VER=2.4.6.0
-
-    # 2.7 -> {debian, centos6, centos7}
+    # 2.8.0 -> {debian, centos6, centos7}
     - python: "2.7"
       env: MODE=ansible VER=2.8.0
-    # 2.6 -> {debian, centos6, centos7}
+
+    # 2.4.6.0 -> {debian, centos6, centos7}
+    - python: "3.6"
+      env: MODE=ansible VER=2.4.6.0
+    # 2.4.6.0 -> {debian, centos6, centos7}
     - python: "2.6"
       env: MODE=ansible VER=2.4.6.0