diff --git a/src/it/beta-fail/postbuild.groovy b/src/it/beta-fail/postbuild.groovy
index 1854c1268d..66b0092688 100644
--- a/src/it/beta-fail/postbuild.groovy
+++ b/src/it/beta-fail/postbuild.groovy
@@ -1,3 +1,3 @@
-assert new File(basedir, 'build.log').text.contains('[ERROR] downstream/Caller:5 upstream/Api.experimental()V is still in beta')
+assert new File(basedir, 'build.log').text.replaceAll(/\e\[[\d;]*[^\d;]/, '').contains('[ERROR] downstream/Caller:5 upstream/Api.experimental()V is still in beta')
 
 return true
diff --git a/src/it/undefined-java-level/postbuild.groovy b/src/it/undefined-java-level/postbuild.groovy
index 3d84add3c2..68c1448db5 100644
--- a/src/it/undefined-java-level/postbuild.groovy
+++ b/src/it/undefined-java-level/postbuild.groovy
@@ -1,3 +1,3 @@
-assert new File(basedir, 'build.log').text.contains('java.lang.IllegalArgumentException: Unknown JDK version given. Should be something like "1.7"')
+assert new File(basedir, 'build.log').text.replaceAll(/\e\[[\d;]*[^\d;]/, '').contains('java.lang.IllegalArgumentException: Unknown JDK version given. Should be something like "1.7"')
 
 return true