[MNG-7909] IT changes (#318)

To recognize new error message coming from JDK transport.

Message is to be improved with https://issues.apache.org/jira/browse/MRESOLVER-429
diff --git a/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng2741PluginMetadataResolutionErrorMessageTest.java b/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng2741PluginMetadataResolutionErrorMessageTest.java
index a82bbe0..eef4305 100644
--- a/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng2741PluginMetadataResolutionErrorMessageTest.java
+++ b/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng2741PluginMetadataResolutionErrorMessageTest.java
@@ -79,6 +79,11 @@
                     foundCause = true;
                     break;
                 }
+                // To be fixed with https://issues.apache.org/jira/browse/MRESOLVER-429
+                if (line.matches(".*ConnectException.*")) {
+                    foundCause = true;
+                    break;
+                }
                 if (line.matches(".*Connection to http://localhost:54312 refused.*")) {
                     foundCause = true;
                     break;
diff --git a/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng3477DependencyResolutionErrorMessageTest.java b/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng3477DependencyResolutionErrorMessageTest.java
index 015bb71..a5f5302 100644
--- a/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng3477DependencyResolutionErrorMessageTest.java
+++ b/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng3477DependencyResolutionErrorMessageTest.java
@@ -61,6 +61,11 @@
                     foundCause = true;
                     break;
                 }
+                // To be fixed with https://issues.apache.org/jira/browse/MRESOLVER-429
+                if (line.matches(".*org.apache.maven.its.mng3477:dep:jar:1.0.*ConnectException.*")) {
+                    foundCause = true;
+                    break;
+                }
             }
             assertTrue("Transfer error cause was not found", foundCause);
         }