diff --git a/sdk/tests/conformance2/wasm/bufferdata-16gb-wasm-memory.html b/sdk/tests/conformance2/wasm/bufferdata-16gb-wasm-memory.html
index 92228903d..71907e325 100644
--- a/sdk/tests/conformance2/wasm/bufferdata-16gb-wasm-memory.html
+++ b/sdk/tests/conformance2/wasm/bufferdata-16gb-wasm-memory.html
@@ -29,9 +29,10 @@
 (() => {
   let view;
   try {
-    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
+    view = new Uint8Array(new WebAssembly.Memory({ address: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
   } catch (e) {
-    testPassed(`Allocating ${SIZE} threw: ${e}`);
+    let fn = e instanceof RangeError ? testPassed : testFailed;
+    fn(`Allocating ${SIZE} threw: ${e}`);
     return;
   }
 
diff --git a/sdk/tests/conformance2/wasm/buffersubdata-16gb-wasm-memory.html b/sdk/tests/conformance2/wasm/buffersubdata-16gb-wasm-memory.html
index 284840e5d..386d9a226 100644
--- a/sdk/tests/conformance2/wasm/buffersubdata-16gb-wasm-memory.html
+++ b/sdk/tests/conformance2/wasm/buffersubdata-16gb-wasm-memory.html
@@ -29,9 +29,10 @@
 (() => {
   let view;
   try {
-    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
+    view = new Uint8Array(new WebAssembly.Memory({ address: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
   } catch (e) {
-    testPassed(`Allocating ${SIZE} threw: ${e}`);
+    let fn = e instanceof RangeError ? testPassed : testFailed;
+    fn(`Allocating ${SIZE} threw: ${e}`);
     return;
   }
 
diff --git a/sdk/tests/conformance2/wasm/getbuffersubdata-16gb-wasm-memory.html b/sdk/tests/conformance2/wasm/getbuffersubdata-16gb-wasm-memory.html
index 42bfa781a..fdc22d5f1 100644
--- a/sdk/tests/conformance2/wasm/getbuffersubdata-16gb-wasm-memory.html
+++ b/sdk/tests/conformance2/wasm/getbuffersubdata-16gb-wasm-memory.html
@@ -29,9 +29,10 @@
 (() => {
   let view;
   try {
-    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
+    view = new Uint8Array(new WebAssembly.Memory({ address: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
   } catch (e) {
-    testPassed(`Allocating ${SIZE} threw: ${e}`);
+    let fn = e instanceof RangeError ? testPassed : testFailed;
+    fn(`Allocating ${SIZE} threw: ${e}`);
     return;
   }
 
diff --git a/sdk/tests/conformance2/wasm/readpixels-16gb-wasm-memory.html b/sdk/tests/conformance2/wasm/readpixels-16gb-wasm-memory.html
index 844e0881b..cf6509e99 100644
--- a/sdk/tests/conformance2/wasm/readpixels-16gb-wasm-memory.html
+++ b/sdk/tests/conformance2/wasm/readpixels-16gb-wasm-memory.html
@@ -30,9 +30,10 @@
 (() => {
   let view;
   try {
-    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
+    view = new Uint8Array(new WebAssembly.Memory({ address: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
   } catch (e) {
-    testPassed(`Allocating ${SIZE} threw: ${e}`);
+    let fn = e instanceof RangeError ? testPassed : testFailed;
+    fn(`Allocating ${SIZE} threw: ${e}`);
     return;
   }
 
diff --git a/sdk/tests/conformance2/wasm/teximage2d-16gb-wasm-memory.html b/sdk/tests/conformance2/wasm/teximage2d-16gb-wasm-memory.html
index 791cc579b..0f03d829d 100644
--- a/sdk/tests/conformance2/wasm/teximage2d-16gb-wasm-memory.html
+++ b/sdk/tests/conformance2/wasm/teximage2d-16gb-wasm-memory.html
@@ -29,9 +29,10 @@
 (() => {
   let view;
   try {
-    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
+    view = new Uint8Array(new WebAssembly.Memory({ address: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
   } catch (e) {
-    testPassed(`Allocating ${SIZE} threw: ${e}`);
+    let fn = e instanceof RangeError ? testPassed : testFailed;
+    fn(`Allocating ${SIZE} threw: ${e}`);
     return;
   }
 
diff --git a/sdk/tests/conformance2/wasm/texsubimage2d-16gb-wasm-memory.html b/sdk/tests/conformance2/wasm/texsubimage2d-16gb-wasm-memory.html
index 4af628139..b28924b06 100644
--- a/sdk/tests/conformance2/wasm/texsubimage2d-16gb-wasm-memory.html
+++ b/sdk/tests/conformance2/wasm/texsubimage2d-16gb-wasm-memory.html
@@ -29,9 +29,10 @@
 (() => {
   let view;
   try {
-    view = new Uint8Array(new WebAssembly.Memory({ index: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
+    view = new Uint8Array(new WebAssembly.Memory({ address: 'i64', initial: BigInt(SIZE / PAGE) }).buffer);
   } catch (e) {
-    testPassed(`Allocating ${SIZE} threw: ${e}`);
+    let fn = e instanceof RangeError ? testPassed : testFailed;
+    fn(`Allocating ${SIZE} threw: ${e}`);
     return;
   }