test: adds doctest presubmit session

chalmerlowe · chalmerlowe · commit bfacee1f5b07 · 2026-04-13T08:26:50.000-04:00
diff --git a/.kokoro/presubmit/doctest.cfg b/.kokoro/presubmit/doctest.cfg
@@ -0,0 +1,7 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+# Only run this nox session.
+env_vars: {
+    key: "NOX_SESSION"
+    value: "doctest"
+}
