diff --git a/test/language/expressions/class/private-methods/prod-private-async-generator.js b/test/language/expressions/class/private-methods/prod-private-async-generator.js
index da9d06baf6..914e1ccf0c 100644
--- a/test/language/expressions/class/private-methods/prod-private-async-generator.js
+++ b/test/language/expressions/class/private-methods/prod-private-async-generator.js
@@ -95,6 +95,7 @@ var C = class {
     hasProp(this, '#m', false, 'private methods are defined in an special internal slot and cannot be found as own properties');
     assert.sameValue(typeof this.#m, 'function');
     assert.sameValue(this.ref, this.#m, 'returns the same value');
+    assert.sameValue(this.#m, (() => this)().#m, 'memberexpression and call expression forms');
 
     var ctorIter = this.#m();
     var p = ctorIter.next();
diff --git a/test/language/expressions/class/private-methods/prod-private-async-method.js b/test/language/expressions/class/private-methods/prod-private-async-method.js
index 138a9e304b..f2247d13fb 100644
--- a/test/language/expressions/class/private-methods/prod-private-async-method.js
+++ b/test/language/expressions/class/private-methods/prod-private-async-method.js
@@ -95,6 +95,7 @@ var C = class {
     hasProp(this, '#m', false, 'private methods are defined in an special internal slot and cannot be found as own properties');
     assert.sameValue(typeof this.#m, 'function');
     assert.sameValue(this.ref, this.#m, 'returns the same value');
+    assert.sameValue(this.#m, (() => this)().#m, 'memberexpression and call expression forms');
 
     assert.sameValue(this.#m.name, '#m', 'function name inside constructor');
     ctorPromise = this.#m().then(value => {
diff --git a/test/language/expressions/class/private-methods/prod-private-generator.js b/test/language/expressions/class/private-methods/prod-private-generator.js
index 6ca4547f7a..16e61183d0 100644
--- a/test/language/expressions/class/private-methods/prod-private-generator.js
+++ b/test/language/expressions/class/private-methods/prod-private-generator.js
@@ -93,6 +93,7 @@ var C = class {
     hasProp(this, '#m', false, 'private methods are defined in an special internal slot and cannot be found as own properties');
     assert.sameValue(typeof this.#m, 'function');
     assert.sameValue(this.ref, this.#m, 'returns the same value');
+    assert.sameValue(this.#m, (() => this)().#m, 'memberexpression and call expression forms');
 
     var res = this.#m().next();
     assert.sameValue(res.value, 42, 'return from generator method, inside ctor');
diff --git a/test/language/expressions/class/private-methods/prod-private-method.js b/test/language/expressions/class/private-methods/prod-private-method.js
index 66e45f39bd..d4ffde2416 100644
--- a/test/language/expressions/class/private-methods/prod-private-method.js
+++ b/test/language/expressions/class/private-methods/prod-private-method.js
@@ -93,6 +93,7 @@ var C = class {
     hasProp(this, '#m', false, 'private methods are defined in an special internal slot and cannot be found as own properties');
     assert.sameValue(typeof this.#m, 'function');
     assert.sameValue(this.ref, this.#m, 'returns the same value');
+    assert.sameValue(this.#m, (() => this)().#m, 'memberexpression and call expression forms');
 
     assert.sameValue(this.#m(), 42, 'already defined in the ctor');
     assert.sameValue(this.#m.name, '#m', 'function name inside constructor');
diff --git a/test/language/statements/class/private-methods/prod-private-async-generator.js b/test/language/statements/class/private-methods/prod-private-async-generator.js
index 429175c04d..e01254a141 100644
--- a/test/language/statements/class/private-methods/prod-private-async-generator.js
+++ b/test/language/statements/class/private-methods/prod-private-async-generator.js
@@ -94,6 +94,7 @@ class C {
     hasProp(this, '#m', false, 'private methods are defined in an special internal slot and cannot be found as own properties');
     assert.sameValue(typeof this.#m, 'function');
     assert.sameValue(this.ref, this.#m, 'returns the same value');
+    assert.sameValue(this.#m, (() => this)().#m, 'memberexpression and call expression forms');
 
     var ctorIter = this.#m();
     var p = ctorIter.next();
diff --git a/test/language/statements/class/private-methods/prod-private-async-method.js b/test/language/statements/class/private-methods/prod-private-async-method.js
index cf6a511805..ed14a42147 100644
--- a/test/language/statements/class/private-methods/prod-private-async-method.js
+++ b/test/language/statements/class/private-methods/prod-private-async-method.js
@@ -94,6 +94,7 @@ class C {
     hasProp(this, '#m', false, 'private methods are defined in an special internal slot and cannot be found as own properties');
     assert.sameValue(typeof this.#m, 'function');
     assert.sameValue(this.ref, this.#m, 'returns the same value');
+    assert.sameValue(this.#m, (() => this)().#m, 'memberexpression and call expression forms');
 
     assert.sameValue(this.#m.name, '#m', 'function name inside constructor');
     ctorPromise = this.#m().then(value => {
diff --git a/test/language/statements/class/private-methods/prod-private-generator.js b/test/language/statements/class/private-methods/prod-private-generator.js
index ed87d4e3d4..4e45792c85 100644
--- a/test/language/statements/class/private-methods/prod-private-generator.js
+++ b/test/language/statements/class/private-methods/prod-private-generator.js
@@ -92,6 +92,7 @@ class C {
     hasProp(this, '#m', false, 'private methods are defined in an special internal slot and cannot be found as own properties');
     assert.sameValue(typeof this.#m, 'function');
     assert.sameValue(this.ref, this.#m, 'returns the same value');
+    assert.sameValue(this.#m, (() => this)().#m, 'memberexpression and call expression forms');
 
     var res = this.#m().next();
     assert.sameValue(res.value, 42, 'return from generator method, inside ctor');
diff --git a/test/language/statements/class/private-methods/prod-private-method.js b/test/language/statements/class/private-methods/prod-private-method.js
index 151a639ea6..7f4d1e2a0a 100644
--- a/test/language/statements/class/private-methods/prod-private-method.js
+++ b/test/language/statements/class/private-methods/prod-private-method.js
@@ -92,6 +92,7 @@ class C {
     hasProp(this, '#m', false, 'private methods are defined in an special internal slot and cannot be found as own properties');
     assert.sameValue(typeof this.#m, 'function');
     assert.sameValue(this.ref, this.#m, 'returns the same value');
+    assert.sameValue(this.#m, (() => this)().#m, 'memberexpression and call expression forms');
 
     assert.sameValue(this.#m(), 42, 'already defined in the ctor');
     assert.sameValue(this.#m.name, '#m', 'function name inside constructor');