diff --git a/test/language/module-code/eval-gtbndng-indirect-trlng-comma.js b/test/language/module-code/eval-gtbndng-indirect-trlng-comma.js
index 045522c6a5..3bff206700 100644
--- a/test/language/module-code/eval-gtbndng-indirect-trlng-comma.js
+++ b/test/language/module-code/eval-gtbndng-indirect-trlng-comma.js
@@ -18,6 +18,6 @@ info: |
 flags: [module]
 ---*/
 
-import { x , } from './eval-gtbndng-indirect-trlng-comma_.js';
+import { x , } from './eval-gtbndng-indirect-trlng-comma_FIXTURE.js';
 
 assert.sameValue(x, 1);
diff --git a/test/language/module-code/eval-gtbndng-indirect-trlng-comma_.js b/test/language/module-code/eval-gtbndng-indirect-trlng-comma_FIXTURE.js
similarity index 100%
rename from test/language/module-code/eval-gtbndng-indirect-trlng-comma_.js
rename to test/language/module-code/eval-gtbndng-indirect-trlng-comma_FIXTURE.js
diff --git a/test/language/module-code/eval-gtbndng-indirect-update-as.js b/test/language/module-code/eval-gtbndng-indirect-update-as.js
index 410017adf5..cbe8afceff 100644
--- a/test/language/module-code/eval-gtbndng-indirect-update-as.js
+++ b/test/language/module-code/eval-gtbndng-indirect-update-as.js
@@ -20,7 +20,7 @@ includes: [fnGlobalObject.js]
 flags: [module]
 ---*/
 
-import { x as y, x as z } from './eval-gtbndng-indirect-update-as_.js';
+import { x as y, x as z } from './eval-gtbndng-indirect-update-as_FIXTURE.js';
 
 assert.sameValue(y, 1);
 assert.sameValue(z, 1);
diff --git a/test/language/module-code/eval-gtbndng-indirect-update-as_.js b/test/language/module-code/eval-gtbndng-indirect-update-as_FIXTURE.js
similarity index 100%
rename from test/language/module-code/eval-gtbndng-indirect-update-as_.js
rename to test/language/module-code/eval-gtbndng-indirect-update-as_FIXTURE.js
diff --git a/test/language/module-code/eval-gtbndng-indirect-update-dflt.js b/test/language/module-code/eval-gtbndng-indirect-update-dflt.js
index ef0477d2a6..d5ffcf57f1 100644
--- a/test/language/module-code/eval-gtbndng-indirect-update-dflt.js
+++ b/test/language/module-code/eval-gtbndng-indirect-update-dflt.js
@@ -18,7 +18,7 @@ info: |
 flags: [module]
 ---*/
 
-import val from './eval-gtbndng-indirect-update-dflt_.js';
+import val from './eval-gtbndng-indirect-update-dflt_FIXTURE.js';
 
 assert.sameValue(val(), 1);
 assert.sameValue(val, 2);
diff --git a/test/language/module-code/eval-gtbndng-indirect-update-dflt_.js b/test/language/module-code/eval-gtbndng-indirect-update-dflt_FIXTURE.js
similarity index 100%
rename from test/language/module-code/eval-gtbndng-indirect-update-dflt_.js
rename to test/language/module-code/eval-gtbndng-indirect-update-dflt_FIXTURE.js
diff --git a/test/language/module-code/eval-gtbndng-indirect-update.js b/test/language/module-code/eval-gtbndng-indirect-update.js
index 6bb489a58e..14cdab3160 100644
--- a/test/language/module-code/eval-gtbndng-indirect-update.js
+++ b/test/language/module-code/eval-gtbndng-indirect-update.js
@@ -20,7 +20,7 @@ includes: [fnGlobalObject.js]
 flags: [module]
 ---*/
 
-import { x } from './eval-gtbndng-indirect-update_.js';
+import { x } from './eval-gtbndng-indirect-update_FIXTURE.js';
 
 assert.sameValue(x, 1);
 
diff --git a/test/language/module-code/eval-gtbndng-indirect-update_.js b/test/language/module-code/eval-gtbndng-indirect-update_FIXTURE.js
similarity index 100%
rename from test/language/module-code/eval-gtbndng-indirect-update_.js
rename to test/language/module-code/eval-gtbndng-indirect-update_FIXTURE.js
diff --git a/test/language/module-code/eval-rqstd-abrupt-err-type_.js b/test/language/module-code/eval-rqstd-abrupt-err-type_FIXTURE.js
similarity index 100%
rename from test/language/module-code/eval-rqstd-abrupt-err-type_.js
rename to test/language/module-code/eval-rqstd-abrupt-err-type_FIXTURE.js
diff --git a/test/language/module-code/eval-rqstd-abrupt-err-uri_.js b/test/language/module-code/eval-rqstd-abrupt-err-uri_FIXTURE.js
similarity index 100%
rename from test/language/module-code/eval-rqstd-abrupt-err-uri_.js
rename to test/language/module-code/eval-rqstd-abrupt-err-uri_FIXTURE.js
diff --git a/test/language/module-code/eval-rqstd-abrupt.js b/test/language/module-code/eval-rqstd-abrupt.js
index cad22d1e3e..b52242627f 100644
--- a/test/language/module-code/eval-rqstd-abrupt.js
+++ b/test/language/module-code/eval-rqstd-abrupt.js
@@ -14,7 +14,7 @@ negative: TypeError
 flags: [module]
 ---*/
 
-import './eval-rqstd-abrupt-err-type_.js';
-import './eval-rqstd-abrupt-err-uri_.js';
+import './eval-rqstd-abrupt-err-type_FIXTURE.js';
+import './eval-rqstd-abrupt-err-uri_FIXTURE.js';
 
 throw new RangeError();
diff --git a/test/language/module-code/eval-rqstd-once.js b/test/language/module-code/eval-rqstd-once.js
index b263ece030..93a3779be8 100644
--- a/test/language/module-code/eval-rqstd-once.js
+++ b/test/language/module-code/eval-rqstd-once.js
@@ -15,14 +15,14 @@ includes: [fnGlobalObject.js]
 flags: [module]
 ---*/
 
-import {} from './eval-rqstd-once_.js';
-import './eval-rqstd-once_.js';
-import * as ns1 from './eval-rqstd-once_.js';
-import dflt1 from './eval-rqstd-once_.js';
-export {} from './eval-rqstd-once_.js';
-import dflt2, {} from './eval-rqstd-once_.js';
-export * from './eval-rqstd-once_.js';
-import dflt3, * as ns from './eval-rqstd-once_.js';
+import {} from './eval-rqstd-once_FIXTURE.js';
+import './eval-rqstd-once_FIXTURE.js';
+import * as ns1 from './eval-rqstd-once_FIXTURE.js';
+import dflt1 from './eval-rqstd-once_FIXTURE.js';
+export {} from './eval-rqstd-once_FIXTURE.js';
+import dflt2, {} from './eval-rqstd-once_FIXTURE.js';
+export * from './eval-rqstd-once_FIXTURE.js';
+import dflt3, * as ns from './eval-rqstd-once_FIXTURE.js';
 export default null;
 
 var global = fnGlobalObject();
diff --git a/test/language/module-code/eval-rqstd-once_.js b/test/language/module-code/eval-rqstd-once_FIXTURE.js
similarity index 100%
rename from test/language/module-code/eval-rqstd-once_.js
rename to test/language/module-code/eval-rqstd-once_FIXTURE.js
diff --git a/test/language/module-code/eval-rqstd-order-1_.js b/test/language/module-code/eval-rqstd-order-1_FIXTURE.js
similarity index 100%
rename from test/language/module-code/eval-rqstd-order-1_.js
rename to test/language/module-code/eval-rqstd-order-1_FIXTURE.js
diff --git a/test/language/module-code/eval-rqstd-order-2_.js b/test/language/module-code/eval-rqstd-order-2_FIXTURE.js
similarity index 100%
rename from test/language/module-code/eval-rqstd-order-2_.js
rename to test/language/module-code/eval-rqstd-order-2_FIXTURE.js
diff --git a/test/language/module-code/eval-rqstd-order-3_.js b/test/language/module-code/eval-rqstd-order-3_FIXTURE.js
similarity index 100%
rename from test/language/module-code/eval-rqstd-order-3_.js
rename to test/language/module-code/eval-rqstd-order-3_FIXTURE.js
diff --git a/test/language/module-code/eval-rqstd-order-4_.js b/test/language/module-code/eval-rqstd-order-4_FIXTURE.js
similarity index 100%
rename from test/language/module-code/eval-rqstd-order-4_.js
rename to test/language/module-code/eval-rqstd-order-4_FIXTURE.js
diff --git a/test/language/module-code/eval-rqstd-order-5_.js b/test/language/module-code/eval-rqstd-order-5_FIXTURE.js
similarity index 100%
rename from test/language/module-code/eval-rqstd-order-5_.js
rename to test/language/module-code/eval-rqstd-order-5_FIXTURE.js
diff --git a/test/language/module-code/eval-rqstd-order-6_.js b/test/language/module-code/eval-rqstd-order-6_FIXTURE.js
similarity index 100%
rename from test/language/module-code/eval-rqstd-order-6_.js
rename to test/language/module-code/eval-rqstd-order-6_FIXTURE.js
diff --git a/test/language/module-code/eval-rqstd-order-7_.js b/test/language/module-code/eval-rqstd-order-7_FIXTURE.js
similarity index 100%
rename from test/language/module-code/eval-rqstd-order-7_.js
rename to test/language/module-code/eval-rqstd-order-7_FIXTURE.js
diff --git a/test/language/module-code/eval-rqstd-order-8_.js b/test/language/module-code/eval-rqstd-order-8_FIXTURE.js
similarity index 100%
rename from test/language/module-code/eval-rqstd-order-8_.js
rename to test/language/module-code/eval-rqstd-order-8_FIXTURE.js
diff --git a/test/language/module-code/eval-rqstd-order.js b/test/language/module-code/eval-rqstd-order.js
index c363577068..3d8ca0fdbd 100644
--- a/test/language/module-code/eval-rqstd-order.js
+++ b/test/language/module-code/eval-rqstd-order.js
@@ -20,18 +20,18 @@ flags: [module]
 
 assert.sameValue(fnGlobalObject().test262, '12345678');
 
-import {} from './eval-rqstd-order-1_.js';
+import {} from './eval-rqstd-order-1_FIXTURE.js';
 
-import './eval-rqstd-order-2_.js';
+import './eval-rqstd-order-2_FIXTURE.js';
 
-import * as ns1 from './eval-rqstd-order-3_.js';
+import * as ns1 from './eval-rqstd-order-3_FIXTURE.js';
 
-import dflt1 from './eval-rqstd-order-4_.js';
+import dflt1 from './eval-rqstd-order-4_FIXTURE.js';
 
-export {} from './eval-rqstd-order-5_.js';
+export {} from './eval-rqstd-order-5_FIXTURE.js';
 
-import dflt2, {} from './eval-rqstd-order-6_.js';
+import dflt2, {} from './eval-rqstd-order-6_FIXTURE.js';
 
-export * from './eval-rqstd-order-7_.js';
+export * from './eval-rqstd-order-7_FIXTURE.js';
 
-import dflt3, * as ns from './eval-rqstd-order-8_.js';
+import dflt3, * as ns from './eval-rqstd-order-8_FIXTURE.js';