diff --git a/test/js_optimizer/emitDCEGraph2-output.js b/test/js_optimizer/emitDCEGraph-dynCall-output.js
similarity index 100%
rename from test/js_optimizer/emitDCEGraph2-output.js
rename to test/js_optimizer/emitDCEGraph-dynCall-output.js
diff --git a/test/js_optimizer/emitDCEGraph2.js b/test/js_optimizer/emitDCEGraph-dynCall.js
similarity index 100%
rename from test/js_optimizer/emitDCEGraph2.js
rename to test/js_optimizer/emitDCEGraph-dynCall.js
diff --git a/test/js_optimizer/emitDCEGraph3-output.js b/test/js_optimizer/emitDCEGraph-eval-output.js
similarity index 100%
rename from test/js_optimizer/emitDCEGraph3-output.js
rename to test/js_optimizer/emitDCEGraph-eval-output.js
diff --git a/test/js_optimizer/emitDCEGraph3.js b/test/js_optimizer/emitDCEGraph-eval.js
similarity index 100%
rename from test/js_optimizer/emitDCEGraph3.js
rename to test/js_optimizer/emitDCEGraph-eval.js
diff --git a/test/js_optimizer/emitDCEGraph5-output.js b/test/js_optimizer/emitDCEGraph-prefixing-output.js
similarity index 100%
rename from test/js_optimizer/emitDCEGraph5-output.js
rename to test/js_optimizer/emitDCEGraph-prefixing-output.js
diff --git a/test/js_optimizer/emitDCEGraph5.js b/test/js_optimizer/emitDCEGraph-prefixing.js
similarity index 100%
rename from test/js_optimizer/emitDCEGraph5.js
rename to test/js_optimizer/emitDCEGraph-prefixing.js
diff --git a/test/js_optimizer/emitDCEGraph4-output.js b/test/js_optimizer/emitDCEGraph-sig-output.js
similarity index 100%
rename from test/js_optimizer/emitDCEGraph4-output.js
rename to test/js_optimizer/emitDCEGraph-sig-output.js
diff --git a/test/js_optimizer/emitDCEGraph4.js b/test/js_optimizer/emitDCEGraph-sig.js
similarity index 100%
rename from test/js_optimizer/emitDCEGraph4.js
rename to test/js_optimizer/emitDCEGraph-sig.js
diff --git a/test/test_other.py b/test/test_other.py
index 0b827f6aad0b5..667e78346256d 100644
--- a/test/test_other.py
+++ b/test/test_other.py
@@ -2892,10 +2892,10 @@ def test_extern_prepost(self):
     'AJSDCE': (['AJSDCE'],),
     'emitDCEGraph': (['emitDCEGraph', '--no-print'],),
     'emitDCEGraph-closure': (['emitDCEGraph', '--no-print', '--closure-friendly'], 'emitDCEGraph.js'),
-    'emitDCEGraph2': (['emitDCEGraph', '--no-print'],),
-    'emitDCEGraph3': (['emitDCEGraph', '--no-print'],),
-    'emitDCEGraph4': (['emitDCEGraph', '--no-print'],),
-    'emitDCEGraph5': (['emitDCEGraph', '--no-print'],),
+    'emitDCEGraph-dynCall': (['emitDCEGraph', '--no-print'],),
+    'emitDCEGraph-eval': (['emitDCEGraph', '--no-print'],),
+    'emitDCEGraph-sig': (['emitDCEGraph', '--no-print'],),
+    'emitDCEGraph-prefixing': (['emitDCEGraph', '--no-print'],),
     'emitDCEGraph-scopes': (['emitDCEGraph', '--no-print'],),
     'minimal-runtime-applyDCEGraphRemovals': (['applyDCEGraphRemovals'],),
     'applyDCEGraphRemovals': (['applyDCEGraphRemovals'],),