Align test directory with working directory

tests/util/test_rendering_utils.py

@@ -0,0 +1,20 @@
+import pytest
+
+from freqtrade.util import render_template, render_template_with_fallback
+
+
+def test_render_template_fallback():
+    from jinja2.exceptions import TemplateNotFound
+
+    with pytest.raises(TemplateNotFound):
+        val = render_template(
+            templatefile="subtemplates/indicators_does-not-exist.j2",
+            arguments={},
+        )
+
+    val = render_template_with_fallback(
+        templatefile="strategy_subtemplates/indicators_does-not-exist.j2",
+        templatefallbackfile="strategy_subtemplates/indicators_minimal.j2",
+    )
+    assert isinstance(val, str)
+    assert "if self.dp" in val