fix conda-build install

Author: jreback

ci/install_travis.sh

@@ -50,6 +50,13 @@ conda config --set ssl_verify false || exit 1
 conda config --set quiet true --set always_yes true --set changeps1 false || exit 1
 conda update -q conda
 
+if [ "$CONDA_BUILD_TEST" ]; then
+    echo
+    echo "[installing conda-build]"
+    conda install conda-build
+fi
+
+
 echo
 echo "[add channels]"
 conda config --remove channels defaults || exit 1
@@ -173,9 +180,6 @@ if [ "$PIP_BUILD_TEST" ]; then
 
 elif [ "$CONDA_BUILD_TEST" ]; then
 
-    echo "[installing conda-build]"
-    conda install conda-build
-
     # build & install testing
     echo "[building conda recipe]"
     conda build ./conda.recipe --numpy 1.13 --python 3.5 -q