diff --git a/sigil/common/core.tests/.classpath b/sigil/common/core.tests/.classpath
index 466e08f..2503159 100644
--- a/sigil/common/core.tests/.classpath
+++ b/sigil/common/core.tests/.classpath
@@ -2,7 +2,6 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/3"/>
-	<classpathentry combineaccessrules="false" kind="src" path="/org.cauldron.bld.core"/>
-	<classpathentry kind="output" path="bin"/>
+	<classpathentry kind="con" path="org.cauldron.sigil.core.classpathContainer"/>
+	<classpathentry kind="output" path="build/classes"/>
 </classpath>
diff --git a/sigil/common/core.tests/.project b/sigil/common/core.tests/.project
index 44f71df..4d0faea 100644
--- a/sigil/common/core.tests/.project
+++ b/sigil/common/core.tests/.project
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>org.cauldron.bld.core.tests</name>
+	<name>org.apache.felix.sigil.common.core.tests</name>
 	<comment></comment>
 	<projects>
 	</projects>
@@ -10,8 +10,14 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.cauldron.sigil.core.newtonBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
 		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.cauldron.sigil.core.newtonnature</nature>
 	</natures>
 </projectDescription>
diff --git a/sigil/common/core.tests/sigil.properties b/sigil/common/core.tests/sigil.properties
new file mode 100644
index 0000000..ecb5a5c
--- /dev/null
+++ b/sigil/common/core.tests/sigil.properties
@@ -0,0 +1,18 @@
+
+# sigil project file, saved by plugin.
+
+version: 0.0.0
+
+-bundles: \
+	org.apache.felix.sigil.common.core.tests, \
+
+-sourcedirs: \
+	src, \
+
+-fragment: \
+	org.apache.felix.sigil.common.core, \
+
+-imports: \
+	junit.framework;version=4.5.0, \
+
+# end