Mark test sources as such.

Fixes workbench issues due to some plugins marking some not.

Change-Id: I82c580bc2badf85ac259670a61ed9029ed54a4f8
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/bundles/org.eclipse.equinox.p2.tests.ui/.classpath b/bundles/org.eclipse.equinox.p2.tests.ui/.classpath
index eca7bdb..3e5654f 100644
--- a/bundles/org.eclipse.equinox.p2.tests.ui/.classpath
+++ b/bundles/org.eclipse.equinox.p2.tests.ui/.classpath
@@ -2,6 +2,10 @@
 <classpath>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="src">
+		<attributes>
+			<attribute name="test" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/bundles/org.eclipse.equinox.p2.tests/.classpath b/bundles/org.eclipse.equinox.p2.tests/.classpath
index eca7bdb..3e5654f 100644
--- a/bundles/org.eclipse.equinox.p2.tests/.classpath
+++ b/bundles/org.eclipse.equinox.p2.tests/.classpath
@@ -2,6 +2,10 @@
 <classpath>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="src">
+		<attributes>
+			<attribute name="test" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="output" path="bin"/>
 </classpath>