SERVER-46000 Unset default read concern between test cases in read_write_concern_defaults_startup.js

1 files changed, 3 insertions, 0 deletions

diff --git a/jstests/noPassthrough/read_write_concern_defaults_startup.js b/jstests/noPassthrough/read_write_concern_defaults_startup.js
index e63077fe1cd..1e58517ed1f 100644
--- a/jstests/noPassthrough/read_write_concern_defaults_startup.js
+++ b/jstests/noPassthrough/read_write_concern_defaults_startup.js
@@ -28,6 +28,9 @@ function runTest(conn, failPointConn, restartFn) {
         failPointConn.adminCommand({configureFailPoint: "failRWCDefaultsLookup", mode: "off"}));
     res = assert.commandWorked(conn.adminCommand({getDefaultRWConcern: 1}));
     assert.eq(res.defaultReadConcern, {level: "majority"});
+
+    // Unset the default read concern so it won't interfere with testing hooks.
+    assert.commandWorked(conn.adminCommand({setDefaultRWConcern: 1, defaultReadConcern: {}}));
 }
 
 jsTestLog("Testing mongos...");