diff --git a/tests/Composer/Test/Fixtures/installer/install-funding-notice.test b/tests/Composer/Test/Fixtures/installer/install-funding-notice.test
index cbdc206d8..0678070bb 100644
--- a/tests/Composer/Test/Fixtures/installer/install-funding-notice.test
+++ b/tests/Composer/Test/Fixtures/installer/install-funding-notice.test
@@ -41,7 +41,7 @@ Installs a simple package with exact match requirement
 --RUN--
 install
 --EXPECT-OUTPUT--
-<warning>No lock file found. Updating dependencies instead of installing from lock file. Use composer update over composer install if you do not have a lock file.</warning>
+<warning>No composer.lock file present. Updating dependencies to latest instead of installing from lock file. See https://getcomposer.org/install for more information.</warning>
 Loading composer repositories with package information
 Updating dependencies
 Lock file operations: 3 installs, 0 updates, 0 removals
diff --git a/tests/Composer/Test/Fixtures/installer/suggest-prod-nolock.test b/tests/Composer/Test/Fixtures/installer/suggest-prod-nolock.test
index b4d1fbb09..ee75d3f33 100644
--- a/tests/Composer/Test/Fixtures/installer/suggest-prod-nolock.test
+++ b/tests/Composer/Test/Fixtures/installer/suggest-prod-nolock.test
@@ -17,7 +17,7 @@ Suggestions are displayed even in non-dev mode for new suggesters installed when
 --RUN--
 install --no-dev
 --EXPECT-OUTPUT--
-<warning>No lock file found. Updating dependencies instead of installing from lock file. Use composer update over composer install if you do not have a lock file.</warning>
+<warning>No composer.lock file present. Updating dependencies to latest instead of installing from lock file. See https://getcomposer.org/install for more information.</warning>
 Loading composer repositories with package information
 Updating dependencies
 Lock file operations: 1 install, 0 updates, 0 removals
diff --git a/tests/Composer/Test/Fixtures/installer/suggest-uninstalled.test b/tests/Composer/Test/Fixtures/installer/suggest-uninstalled.test
index fff3e19d6..b094c33cb 100644
--- a/tests/Composer/Test/Fixtures/installer/suggest-uninstalled.test
+++ b/tests/Composer/Test/Fixtures/installer/suggest-uninstalled.test
@@ -17,7 +17,7 @@ Suggestions are displayed
 --RUN--
 install
 --EXPECT-OUTPUT--
-<warning>No lock file found. Updating dependencies instead of installing from lock file. Use composer update over composer install if you do not have a lock file.</warning>
+<warning>No composer.lock file present. Updating dependencies to latest instead of installing from lock file. See https://getcomposer.org/install for more information.</warning>
 Loading composer repositories with package information
 Updating dependencies
 Lock file operations: 1 install, 0 updates, 0 removals