Fix tests to use ANSIBLE_TEST_PYTHON_INTERPRETER.

test/integration/targets/groupby_filter/runme.sh

@@ -7,12 +7,7 @@ MYTMPDIR=$(mktemp -d 2>/dev/null || mktemp -d -t 'mytmpdir')
 
 trap 'rm -rf "${MYTMPDIR}"' EXIT
 
-# This is needed for the ubuntu1604py3 tests
-# Ubuntu patches virtualenv to make the default python2
-# but for the python3 tests we need virtualenv to use python3
-PYTHON=$("python${ANSIBLE_TEST_PYTHON_VERSION:-}" -c "import sys; print(sys.executable)")
-
-virtualenv --system-site-packages --python "${PYTHON}" "${MYTMPDIR}/jinja2"
+virtualenv --system-site-packages --python "${ANSIBLE_TEST_PYTHON_INTERPRETER}" "${MYTMPDIR}/jinja2"
 
 source "${MYTMPDIR}/jinja2/bin/activate"
 

test/integration/targets/template_jinja2_latest/runme.sh

@@ -7,12 +7,7 @@ MYTMPDIR=$(mktemp -d 2>/dev/null || mktemp -d -t 'mytmpdir')
 
 trap 'rm -rf "${MYTMPDIR}"' EXIT
 
-# This is needed for the ubuntu1604py3 tests
-# Ubuntu patches virtualenv to make the default python2
-# but for the python3 tests we need virtualenv to use python3
-PYTHON=$("python${ANSIBLE_TEST_PYTHON_VERSION:-}" -c "import sys; print(sys.executable)")
-
-virtualenv --system-site-packages --python "${PYTHON}" "${MYTMPDIR}/jinja2"
+virtualenv --system-site-packages --python "${ANSIBLE_TEST_PYTHON_INTERPRETER}" "${MYTMPDIR}/jinja2"
 
 source "${MYTMPDIR}/jinja2/bin/activate"