[MNG-6965] Extensions suddenly have org.codehaus.plexus:plexus-utils:jar:1.1 on their classpath

Scope a few ITs for (,3.7.0).

This closes #73
diff --git a/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng3819PluginDepPlexusUtilsTest.java b/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng3819PluginDepPlexusUtilsTest.java
index 47ff8a2..c7b08cc 100644
--- a/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng3819PluginDepPlexusUtilsTest.java
+++ b/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng3819PluginDepPlexusUtilsTest.java
@@ -37,7 +37,7 @@
 
     public MavenITmng3819PluginDepPlexusUtilsTest()
     {
-        super( "(2.0.1,)" );
+        super( "(2.0.1,3.7.0)" );
     }
 
     /**
diff --git a/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng5783PluginDependencyFiltering.java b/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng5783PluginDependencyFiltering.java
index ec5242c..17efc24 100644
--- a/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng5783PluginDependencyFiltering.java
+++ b/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng5783PluginDependencyFiltering.java
@@ -31,10 +31,20 @@
         // Note that plugin dependencies always include plugin itself and plexus-utils
 
         List<String> dependencies = verifier.loadLines( "target/dependencies.txt", "UTF-8" );
-        assertEquals( 3, dependencies.size() );
+        if ( matchesVersionRange( "(,3.7.0)" ) )
+        {
+            assertEquals( 3, dependencies.size() );
+        }
+        else
+        {
+            assertEquals( 2, dependencies.size() );
+        }
         assertEquals( "mng-5783-plugin-dependency-filtering:mng-5783-plugin-dependency-filtering-plugin:maven-plugin:0.1",
                       dependencies.get( 0 ) );
         assertEquals( "org.slf4j:slf4j-api:jar:1.7.5", dependencies.get( 1 ) );
-        assertEquals( "org.codehaus.plexus:plexus-utils:jar:1.1", dependencies.get( 2 ) );
+        if ( matchesVersionRange( "(,3.7.0)" ) )
+        {
+            assertEquals( "org.codehaus.plexus:plexus-utils:jar:1.1", dependencies.get( 2 ) );
+        }
     }
 }