Split test files

test/pyenv.bats

@@ -45,11 +45,3 @@ load test_helper
   assert_failure
   assert_output "pyenv: cannot change working directory to \`$dir'"
 }
-
-@test "conflicting GREP_OPTIONS" {
-  file="${BATS_TMPDIR}/hello"
-  echo "hello" > "$file"
-  GREP_OPTIONS="-F" run pyenv grep "hell." "$file"
-  assert_success
-  assert_output "hello"
-}

test/pyenv_ext.bats

@@ -0,0 +1,11 @@
+#!/usr/bin/env bats
+
+load test_helper
+
+@test "conflicting GREP_OPTIONS" {
+  file="${BATS_TMPDIR}/hello"
+  echo "hello" > "$file"
+  GREP_OPTIONS="-F" run pyenv grep "hell." "$file"
+  assert_success
+  assert_output "hello"
+}