CI: move clipboard tests to an allowed-failure test

CI: change 2.7-build_test -> 3.6-build_test

Author: jreback

.travis.yml

@@ -52,10 +52,6 @@ matrix:
     - dist: trusty
       env:
         - JOB="3.5" TEST_ARGS="--skip-slow --skip-network" COVERAGE=true
-      addons:
-        apt:
-          packages:
-          - xsel
     - dist: trusty
       env:
         - JOB="3.6" TEST_ARGS="--skip-slow --skip-network" PANDAS_TESTING_MODE="deprecate" CONDA_FORGE=true
@@ -66,7 +62,11 @@ matrix:
     # In allow_failures
     - dist: trusty
       env:
-        - JOB="2.7_BUILD_TEST" TEST_ARGS="--skip-slow" BUILD_TEST=true
+        - JOB="3.6_BUILD_TEST" TEST_ARGS="--skip-slow" BUILD_TEST=true
+      addons:
+        apt:
+        packages:
+        - xsel
     # In allow_failures
     - dist: trusty
       env:
@@ -75,17 +75,17 @@ matrix:
     - dist: trusty
       env:
         - JOB="3.6_DOC" DOC=true
-      addons:
-        apt:
-          packages:
-          - xsel
     allow_failures:
       - dist: trusty
         env:
           - JOB="2.7_SLOW" SLOW=true
       - dist: trusty
         env:
-          - JOB="2.7_BUILD_TEST" TEST_ARGS="--skip-slow" BUILD_TEST=true
+          - JOB="3.6_BUILD_TEST" TEST_ARGS="--skip-slow" BUILD_TEST=true
+        addons:
+          apt:
+            packages:
+            - xsel
       - dist: trusty
         env:
           - JOB="3.6_NUMPY_DEV" TEST_ARGS="--skip-slow --skip-network" PANDAS_TESTING_MODE="deprecate"

ci/requirements-2.7_BUILD_TEST.build ci/requirements-3.6_BUILD_TEST.buildci/requirements-2.7_BUILD_TEST.build renamed to ci/requirements-3.6_BUILD_TEST.build

@@ -1,4 +1,4 @@
-python=2.7*
+python=3.6*
 dateutil
 pytz
 nomkl

ci/requirements-2.7_BUILD_TEST.pip ci/requirements-3.6_BUILD_TEST.pipci/requirements-2.7_BUILD_TEST.pip renamed to ci/requirements-3.6_BUILD_TEST.pip

@@ -2,6 +2,6 @@
 
 source activate pandas
 
-echo "install 27 BUILD_TEST"
+echo "install 36 BUILD_TEST"
 
 conda install -n pandas -c conda-forge pyarrow dask