diff --git a/packages/opentelemetry-node/test/registration.test.ts b/packages/opentelemetry-node/test/registration.test.ts
index 392568f1c1..e199898a13 100644
--- a/packages/opentelemetry-node/test/registration.test.ts
+++ b/packages/opentelemetry-node/test/registration.test.ts
@@ -16,7 +16,6 @@
 
 import {
   context,
-  NoopTextMapPropagator,
   propagation,
   trace,
   ProxyTracerProvider,
@@ -25,7 +24,6 @@ import {
   AsyncHooksContextManager,
   AsyncLocalStorageContextManager,
 } from '@opentelemetry/context-async-hooks';
-import { NoopContextManager } from '@opentelemetry/api';
 import { CompositePropagator } from '@opentelemetry/core';
 import * as assert from 'assert';
 import { NodeTracerProvider } from '../src';
@@ -58,28 +56,29 @@ describe('API registration', () => {
   it('should register configured implementations', () => {
     const tracerProvider = new NodeTracerProvider();
 
-    const contextManager = new NoopContextManager();
-    const propagator = new NoopTextMapPropagator();
+    const mockContextManager = { disable() {} } as any;
+    const mockPropagator = {} as any;
 
     tracerProvider.register({
-      contextManager,
-      propagator,
+      contextManager: mockContextManager,
+      propagator: mockPropagator,
     });
 
-    assert.ok(context['_getContextManager']() === contextManager);
-    assert.ok(propagation['_getGlobalPropagator']() === propagator);
+    assert.strictEqual(context['_getContextManager'](), mockContextManager);
+    assert.strictEqual(propagation['_getGlobalPropagator'](), mockPropagator);
 
     const apiTracerProvider = trace.getTracerProvider() as ProxyTracerProvider;
-    assert.ok(apiTracerProvider.getDelegate() === tracerProvider);
+    assert.strictEqual(apiTracerProvider.getDelegate(), tracerProvider);
   });
 
   it('should skip null context manager', () => {
     const tracerProvider = new NodeTracerProvider();
+    const ctxManager = context['_getContextManager']();
     tracerProvider.register({
       contextManager: null,
     });
 
-    assert.ok(context['_getContextManager']() instanceof NoopContextManager);
+    assert.strictEqual(context['_getContextManager'](), ctxManager, "context manager should not change");
 
     assert.ok(
       propagation['_getGlobalPropagator']() instanceof CompositePropagator
@@ -90,14 +89,14 @@ describe('API registration', () => {
   });
 
   it('should skip null propagator', () => {
+    const propagator = propagation['_getGlobalPropagator']();
+
     const tracerProvider = new NodeTracerProvider();
     tracerProvider.register({
       propagator: null,
     });
 
-    assert.ok(
-      propagation['_getGlobalPropagator']() instanceof NoopTextMapPropagator
-    );
+    assert.strictEqual(propagation['_getGlobalPropagator'](), propagator);
 
     assert.ok(context['_getContextManager']() instanceof DefaultContextManager);
 
diff --git a/packages/opentelemetry-sdk-node/test/sdk.test.ts b/packages/opentelemetry-sdk-node/test/sdk.test.ts
index f9274caad3..920d29f6f2 100644
--- a/packages/opentelemetry-sdk-node/test/sdk.test.ts
+++ b/packages/opentelemetry-sdk-node/test/sdk.test.ts
@@ -16,8 +16,6 @@
 
 import {
   context,
-  NoopTextMapPropagator,
-  NoopTracerProvider,
   propagation,
   ProxyTracerProvider,
   trace,
@@ -29,7 +27,6 @@ import {
   AsyncHooksContextManager,
   AsyncLocalStorageContextManager,
 } from '@opentelemetry/context-async-hooks';
-import { NoopContextManager } from '@opentelemetry/api';
 import { CompositePropagator } from '@opentelemetry/core';
 import { ConsoleMetricExporter, MeterProvider } from '@opentelemetry/metrics';
 import { NodeTracerProvider } from '@opentelemetry/node';
@@ -89,6 +86,10 @@ const DefaultContextManager = semver.gte(process.version, '14.8.0')
   : AsyncHooksContextManager;
 
 describe('Node SDK', () => {
+  let ctxManager: any;
+  let propagator: any;
+  let delegate: any;
+
   before(() => {
     nock.disableNetConnect();
   });
@@ -98,6 +99,10 @@ describe('Node SDK', () => {
     trace.disable();
     propagation.disable();
     metrics.disable();
+
+    ctxManager = context['_getContextManager']();
+    propagator = propagation['_getGlobalPropagator']();
+    delegate = (trace.getTracerProvider() as ProxyTracerProvider).getDelegate();
   });
 
   describe('Basic Registration', () => {
@@ -108,13 +113,9 @@ describe('Node SDK', () => {
 
       await sdk.start();
 
-      assert.ok(context['_getContextManager']() instanceof NoopContextManager);
-      assert.ok(
-        propagation['_getGlobalPropagator']() instanceof NoopTextMapPropagator
-      );
-
-      const apiTracerProvider = trace.getTracerProvider() as ProxyTracerProvider;
-      assert.ok(apiTracerProvider.getDelegate() instanceof NoopTracerProvider);
+      assert.strictEqual(context['_getContextManager'](), ctxManager, "context manager should not change");
+      assert.strictEqual(propagation['_getGlobalPropagator'](), propagator, "propagator should not change");
+      assert.strictEqual((trace.getTracerProvider() as ProxyTracerProvider).getDelegate(), delegate, "tracer provider should not have changed");
 
       assert.ok(metrics.getMeterProvider() instanceof NoopMeterProvider);
     });
@@ -172,13 +173,9 @@ describe('Node SDK', () => {
 
       await sdk.start();
 
-      assert.ok(context['_getContextManager']() instanceof NoopContextManager);
-      assert.ok(
-        propagation['_getGlobalPropagator']() instanceof NoopTextMapPropagator
-      );
-
-      const apiTracerProvider = trace.getTracerProvider() as ProxyTracerProvider;
-      assert.ok(apiTracerProvider.getDelegate() instanceof NoopTracerProvider);
+      assert.strictEqual(context['_getContextManager'](), ctxManager, "context manager should not change");
+      assert.strictEqual(propagation['_getGlobalPropagator'](), propagator, "propagator should not change");
+      assert.strictEqual((trace.getTracerProvider() as ProxyTracerProvider).getDelegate(), delegate, "tracer provider should not have changed");
 
       assert.ok(metrics.getMeterProvider() instanceof MeterProvider);
     });
diff --git a/packages/opentelemetry-web/test/registration.test.ts b/packages/opentelemetry-web/test/registration.test.ts
index 89ff0c0cd4..baab6a4d77 100644
--- a/packages/opentelemetry-web/test/registration.test.ts
+++ b/packages/opentelemetry-web/test/registration.test.ts
@@ -16,8 +16,6 @@
 
 import {
   context,
-  NoopContextManager,
-  NoopTextMapPropagator,
   propagation,
   trace,
   ProxyTracerProvider,
@@ -48,8 +46,8 @@ describe('API registration', () => {
   it('should register configured implementations', () => {
     const tracerProvider = new WebTracerProvider();
 
-    const contextManager = new NoopContextManager();
-    const propagator = new NoopTextMapPropagator();
+    const contextManager = { disable() { }, enable() { } } as any;
+    const propagator = {} as any;
 
     tracerProvider.register({
       contextManager,
@@ -64,12 +62,13 @@ describe('API registration', () => {
   });
 
   it('should skip null context manager', () => {
+    const ctxManager = context['_getContextManager']();
     const tracerProvider = new WebTracerProvider();
     tracerProvider.register({
       contextManager: null,
     });
 
-    assert.ok(context['_getContextManager']() instanceof NoopContextManager);
+    assert.strictEqual(context['_getContextManager'](), ctxManager, "context manager should not change");
 
     assert.ok(
       propagation['_getGlobalPropagator']() instanceof CompositePropagator
@@ -79,14 +78,13 @@ describe('API registration', () => {
   });
 
   it('should skip null propagator', () => {
+    const propagator = propagation['_getGlobalPropagator']();
     const tracerProvider = new WebTracerProvider();
     tracerProvider.register({
       propagator: null,
     });
 
-    assert.ok(
-      propagation['_getGlobalPropagator']() instanceof NoopTextMapPropagator
-    );
+    assert.strictEqual(propagation["_getGlobalPropagator"](), propagator, "propagator should not change")
 
     assert.ok(context['_getContextManager']() instanceof StackContextManager);
     const apiTracerProvider = trace.getTracerProvider() as ProxyTracerProvider;