added dependency tests

src/test/fixtures/devDependencies/node_modules/real/node_modules/real_sub/package.json

@@ -0,0 +1,4 @@
+{
+	"name": "real_sub",
+	"version": "1.0.0"
+}

src/test/fixtures/devDependencies/node_modules/real/package.json

@@ -1,4 +1,8 @@
 {
 	"name": "real",
-	"version": "1.0.0"
+	"version": "1.0.0",
+    "dependencies": {
+        "real_sub": "1.0.0",
+        "real2": "*"
+    }
 }

src/test/fixtures/devDependencies/node_modules/real2/package.json

@@ -0,0 +1,8 @@
+{
+	"name": "real2",
+    "description": "This package is needed by real to include real_sub@1.0.0 and real_sub@2.0.0",
+	"version": "1.0.0",
+    "dependencies": {
+        "real_sub": "2.0.0"
+    }
+}

src/test/fixtures/devDependencies/node_modules/real_sub/package.json

@@ -0,0 +1,4 @@
+{
+	"name": "real_sub",
+	"version": "2.0.0"
+}