diff --git a/test/parallel/test-inspector-bindings.js b/test/parallel/test-inspector-bindings.js
index c632bb8840fa30..3e88c858f8de9e 100644
--- a/test/parallel/test-inspector-bindings.js
+++ b/test/parallel/test-inspector-bindings.js
@@ -127,4 +127,4 @@ async function doTests() {
   await testNoCrashConsoleLogBeforeThrow();
 }
 
-doTests();
+doTests().then(common.mustCall());
diff --git a/test/parallel/test-inspector-esm.js b/test/parallel/test-inspector-esm.js
index f0848d29423d9e..707fa7bb56f9e5 100644
--- a/test/parallel/test-inspector-esm.js
+++ b/test/parallel/test-inspector-esm.js
@@ -109,4 +109,4 @@ async function runTest() {
   assert.strictEqual((await child.expectShutdown()).exitCode, 55);
 }
 
-runTest();
+runTest().then(common.mustCall());
diff --git a/test/parallel/test-inspector-multisession-js.js b/test/parallel/test-inspector-multisession-js.js
index 92879d3ff3a7df..31aa0c5f569854 100644
--- a/test/parallel/test-inspector-multisession-js.js
+++ b/test/parallel/test-inspector-multisession-js.js
@@ -57,7 +57,7 @@ async function test() {
 }
 
 const interval = setInterval(() => {}, 1000);
-test().then(() => {
+test().then(common.mustCall(() => {
   clearInterval(interval);
   console.log('Done!');
-});
+}));
diff --git a/test/parallel/test-inspector-multisession-ws.js b/test/parallel/test-inspector-multisession-ws.js
index c5ebfd6ef81ea2..7981eef0d30149 100644
--- a/test/parallel/test-inspector-multisession-ws.js
+++ b/test/parallel/test-inspector-multisession-ws.js
@@ -74,4 +74,4 @@ async function runTest() {
   return child.expectShutdown();
 }
 
-runTest();
+runTest().then(common.mustCall());
diff --git a/test/parallel/test-inspector-reported-host.js b/test/parallel/test-inspector-reported-host.js
index b3bc7368032c9c..676e5387c8102c 100644
--- a/test/parallel/test-inspector-reported-host.js
+++ b/test/parallel/test-inspector-reported-host.js
@@ -16,4 +16,4 @@ async function test() {
   child.kill();
 }
 
-test();
+test().then(common.mustCall());
diff --git a/test/parallel/test-inspector-tracing-domain.js b/test/parallel/test-inspector-tracing-domain.js
index 9d3d33d94d5bbd..152df1491553f1 100644
--- a/test/parallel/test-inspector-tracing-domain.js
+++ b/test/parallel/test-inspector-tracing-domain.js
@@ -66,4 +66,4 @@ async function test() {
   console.log('Success');
 }
 
-test();
+test().then(common.mustCall());
diff --git a/test/parallel/test-inspector-wait-for-connection.js b/test/parallel/test-inspector-wait-for-connection.js
index 44bb6dd5e1c30f..0f562faede1e55 100644
--- a/test/parallel/test-inspector-wait-for-connection.js
+++ b/test/parallel/test-inspector-wait-for-connection.js
@@ -58,4 +58,4 @@ async function runTests() {
   assert.throws(() => require('inspector').waitForDebugger(), re);
 }
 
-runTests();
+runTests().then(common.mustCall());
diff --git a/test/parallel/test-inspector-waiting-for-disconnect.js b/test/parallel/test-inspector-waiting-for-disconnect.js
index 187875abc1b621..e9d39978d7aaf0 100644
--- a/test/parallel/test-inspector-waiting-for-disconnect.js
+++ b/test/parallel/test-inspector-waiting-for-disconnect.js
@@ -41,4 +41,4 @@ async function runTest() {
   assert.strictEqual((await child.expectShutdown()).exitCode, 55);
 }
 
-runTest();
+runTest().then(common.mustCall());
diff --git a/test/sequential/test-inspector-async-hook-setup-at-inspect-brk.js b/test/sequential/test-inspector-async-hook-setup-at-inspect-brk.js
index 595f934c0238a8..f4f45a1aa8f4ce 100644
--- a/test/sequential/test-inspector-async-hook-setup-at-inspect-brk.js
+++ b/test/sequential/test-inspector-async-hook-setup-at-inspect-brk.js
@@ -46,4 +46,4 @@ async function runTests() {
   assert.strictEqual((await instance.expectShutdown()).exitCode, 55);
 }
 
-runTests();
+runTests().then(common.mustCall());
diff --git a/test/sequential/test-inspector-async-hook-setup-at-signal.js b/test/sequential/test-inspector-async-hook-setup-at-signal.js
index a52627e5012fee..259a40db976e46 100644
--- a/test/sequential/test-inspector-async-hook-setup-at-signal.js
+++ b/test/sequential/test-inspector-async-hook-setup-at-signal.js
@@ -81,4 +81,4 @@ async function runTests() {
   instance.kill();
 }
 
-runTests();
+runTests().then(common.mustCall());
diff --git a/test/sequential/test-inspector-async-stack-traces-promise-then.js b/test/sequential/test-inspector-async-stack-traces-promise-then.js
index f9a30e3f5471ea..40b05c9aacf375 100644
--- a/test/sequential/test-inspector-async-stack-traces-promise-then.js
+++ b/test/sequential/test-inspector-async-stack-traces-promise-then.js
@@ -68,4 +68,4 @@ function assertArrayIncludes(actual, expected) {
     `Expected ${actualString} to contain ${expectedString}.`);
 }
 
-runTests();
+runTests().then(common.mustCall());
diff --git a/test/sequential/test-inspector-async-stack-traces-set-interval.js b/test/sequential/test-inspector-async-stack-traces-set-interval.js
index ee37a654958c6a..97b2917b70092c 100644
--- a/test/sequential/test-inspector-async-stack-traces-set-interval.js
+++ b/test/sequential/test-inspector-async-stack-traces-set-interval.js
@@ -44,4 +44,4 @@ async function runTests() {
   instance.kill();
 }
 
-runTests();
+runTests().then(common.mustCall());
diff --git a/test/sequential/test-inspector-break-e.js b/test/sequential/test-inspector-break-e.js
index 6aae729977b5d8..f2a52fcae835fd 100644
--- a/test/sequential/test-inspector-break-e.js
+++ b/test/sequential/test-inspector-break-e.js
@@ -18,4 +18,4 @@ async function runTests() {
   assert.strictEqual((await instance.expectShutdown()).exitCode, 0);
 }
 
-runTests();
+runTests().then(common.mustCall());
diff --git a/test/sequential/test-inspector-break-when-eval.js b/test/sequential/test-inspector-break-when-eval.js
index 371a60daaf62c9..7a834e9934b1ab 100644
--- a/test/sequential/test-inspector-break-when-eval.js
+++ b/test/sequential/test-inspector-break-when-eval.js
@@ -75,4 +75,4 @@ async function runTests() {
   assert.strictEqual((await child.expectShutdown()).exitCode, 0);
 }
 
-runTests();
+runTests().then(common.mustCall());
diff --git a/test/sequential/test-inspector-console.js b/test/sequential/test-inspector-console.js
index 15e2e2e8f63978..bb0f0ce42a3d03 100644
--- a/test/sequential/test-inspector-console.js
+++ b/test/sequential/test-inspector-console.js
@@ -34,4 +34,4 @@ async function runTest() {
   session.disconnect();
 }
 
-runTest();
+runTest().then(common.mustCall());
diff --git a/test/sequential/test-inspector-contexts.js b/test/sequential/test-inspector-contexts.js
index 8c7a68d4650d8a..9cdf2d0017c4be 100644
--- a/test/sequential/test-inspector-contexts.js
+++ b/test/sequential/test-inspector-contexts.js
@@ -163,4 +163,7 @@ async function testBreakpointHit() {
   await pausedPromise;
 }
 
-testContextCreatedAndDestroyed().then(common.mustCall(testBreakpointHit));
+(async function() {
+  await testContextCreatedAndDestroyed();
+  await testBreakpointHit();
+})().then(common.mustCall());
diff --git a/test/sequential/test-inspector-debug-brk-flag.js b/test/sequential/test-inspector-debug-brk-flag.js
index f281f2c09ce4b9..f1312b47ad8d8b 100644
--- a/test/sequential/test-inspector-debug-brk-flag.js
+++ b/test/sequential/test-inspector-debug-brk-flag.js
@@ -27,7 +27,7 @@ async function testBreakpointOnStart(session) {
 }
 
 async function runTests() {
-  const child = new NodeInstance(['--inspect', '--debug-brk']);
+  const child = new NodeInstance(['--inspect', '--inspect-brk']);
   const session = await child.connectInspectorSession();
 
   await testBreakpointOnStart(session);
@@ -36,4 +36,4 @@ async function runTests() {
   assert.strictEqual((await child.expectShutdown()).exitCode, 55);
 }
 
-runTests();
+runTests().then(common.mustCall());
diff --git a/test/sequential/test-inspector-debug-end.js b/test/sequential/test-inspector-debug-end.js
index 789fe9c76323d8..f3e343a0dadb25 100644
--- a/test/sequential/test-inspector-debug-end.js
+++ b/test/sequential/test-inspector-debug-end.js
@@ -41,4 +41,4 @@ async function runTest() {
   await testSessionNoCrash();
 }
 
-runTest();
+runTest().then(common.mustCall());
diff --git a/test/sequential/test-inspector-exception.js b/test/sequential/test-inspector-exception.js
index 9a453eb7deb9d8..f1cd2eca3f30f3 100644
--- a/test/sequential/test-inspector-exception.js
+++ b/test/sequential/test-inspector-exception.js
@@ -41,4 +41,4 @@ async function runTest() {
   assert.strictEqual((await child.expectShutdown()).exitCode, 1);
 }
 
-runTest();
+runTest().then(common.mustCall());
diff --git a/test/sequential/test-inspector-ip-detection.js b/test/sequential/test-inspector-ip-detection.js
index 6af06bb4828324..333749de3c13e7 100644
--- a/test/sequential/test-inspector-ip-detection.js
+++ b/test/sequential/test-inspector-ip-detection.js
@@ -43,4 +43,4 @@ async function test() {
   instance.kill();
 }
 
-test();
+test().then(common.mustCall());
diff --git a/test/sequential/test-inspector-not-blocked-on-idle.js b/test/sequential/test-inspector-not-blocked-on-idle.js
index 032efd6a9f62a0..fbf26d15c91f12 100644
--- a/test/sequential/test-inspector-not-blocked-on-idle.js
+++ b/test/sequential/test-inspector-not-blocked-on-idle.js
@@ -17,4 +17,4 @@ async function runTests() {
   node.kill();
 }
 
-runTests();
+runTests().then(common.mustCall());
diff --git a/test/sequential/test-inspector-overwrite-config.js b/test/sequential/test-inspector-overwrite-config.js
index 49f48a59a04b4f..c20df083256120 100644
--- a/test/sequential/test-inspector-overwrite-config.js
+++ b/test/sequential/test-inspector-overwrite-config.js
@@ -41,4 +41,4 @@ async function runTests() {
   assert.ok(asserted, 'log statement did not reach the inspector');
 }
 
-runTests();
+runTests().then(common.mustCall());
diff --git a/test/sequential/test-inspector-resource-name-to-url.js b/test/sequential/test-inspector-resource-name-to-url.js
index 41a98ba219b24c..0465c065b96379 100644
--- a/test/sequential/test-inspector-resource-name-to-url.js
+++ b/test/sequential/test-inspector-resource-name-to-url.js
@@ -37,4 +37,4 @@ common.skipIfInspectorDisabled();
     const { params: { url } } = await promise;
     strictEqual(url, expected);
   }
-})();
+})().then(common.mustCall());
diff --git a/test/sequential/test-inspector-runtime-evaluate-with-timeout.js b/test/sequential/test-inspector-runtime-evaluate-with-timeout.js
index b20aa77a5d5b92..84dff6cdd9c3ed 100644
--- a/test/sequential/test-inspector-runtime-evaluate-with-timeout.js
+++ b/test/sequential/test-inspector-runtime-evaluate-with-timeout.js
@@ -22,4 +22,4 @@ common.skipIfInspectorDisabled();
     }
   );
   session.disconnect();
-})();
+})().then(common.mustCall());
diff --git a/test/sequential/test-inspector-scriptparsed-context.js b/test/sequential/test-inspector-scriptparsed-context.js
index 3a4c3f84692be3..e656436879ce63 100644
--- a/test/sequential/test-inspector-scriptparsed-context.js
+++ b/test/sequential/test-inspector-scriptparsed-context.js
@@ -83,4 +83,4 @@ async function runTests() {
   assert.strictEqual((await instance.expectShutdown()).exitCode, 0);
 }
 
-runTests();
+runTests().then(common.mustCall());
diff --git a/test/sequential/test-inspector-stop-profile-after-done.js b/test/sequential/test-inspector-stop-profile-after-done.js
index e242658e296d6c..f81884ecfd4e46 100644
--- a/test/sequential/test-inspector-stop-profile-after-done.js
+++ b/test/sequential/test-inspector-stop-profile-after-done.js
@@ -27,4 +27,4 @@ async function runTests() {
   assert.strictEqual((await child.expectShutdown()).exitCode, 0);
 }
 
-runTests();
+runTests().then(common.mustCall());
diff --git a/test/sequential/test-inspector-stress-http.js b/test/sequential/test-inspector-stress-http.js
index 8d4a2db9570aad..c038b7832ef61d 100644
--- a/test/sequential/test-inspector-stress-http.js
+++ b/test/sequential/test-inspector-stress-http.js
@@ -28,4 +28,4 @@ async function runTest() {
   return child.kill();
 }
 
-runTest();
+runTest().then(common.mustCall());
diff --git a/test/sequential/test-inspector.js b/test/sequential/test-inspector.js
index b5ced631643d5f..a1ef109cf1a9a0 100644
--- a/test/sequential/test-inspector.js
+++ b/test/sequential/test-inspector.js
@@ -314,4 +314,4 @@ async function runTest() {
   );
 }
 
-runTest();
+runTest().then(common.mustCall());