diff --git a/src/arrayTaskValidation.ts b/src/arrayTaskValidation.ts
deleted file mode 100644
index 413ac4d6..00000000
--- a/src/arrayTaskValidation.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-import { either, readonlyArray, task, taskEither } from 'fp-ts';
-import type { Either } from 'fp-ts/Either';
-import { pipe } from 'fp-ts/function';
-import type { Task } from 'fp-ts/Task';
-import type { TaskEither } from 'fp-ts/TaskEither';
-
-export const lift = <L, R>(te: TaskEither<L, R>) => pipe(te, taskEither.mapLeft(readonlyArray.of));
-
-export const run = <L, R>(resultsTask: Task<readonly Either<readonly L[], R>[]>) =>
-  pipe(
-    resultsTask,
-    task.map(
-      readonlyArray.sequence(either.getApplicativeValidation(readonlyArray.getSemigroup<L>()))
-    )
-  );
diff --git a/src/index.ts b/src/index.ts
index 6ca11527..eea980db 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,9 +1,9 @@
 import { console } from 'fp-ts';
 
-import { logErrorsF } from './logErrorsF';
+import { logF } from './log';
 import { runTests } from './runTests';
 import { test } from './test';
 
-export { logErrorsF, runTests, test };
+export { logF, runTests, test };
 
-export const logErrors = logErrorsF({ console });
+export const log = logF({ console });
diff --git a/src/logErrorsF.ts b/src/log.ts
similarity index 90%
rename from src/logErrorsF.ts
rename to src/log.ts
index 053a7943..b4939579 100644
--- a/src/logErrorsF.ts
+++ b/src/log.ts
@@ -6,7 +6,7 @@ import * as std from 'fp-ts-std';
 import c from 'picocolors';
 import { match } from 'ts-pattern';
 
-import type { Change, TestError, TestFailedResult } from './type';
+import type { Change, TestError, TestFailResult } from './type';
 
 const getPrefix = (changeType: Change['type']) =>
   match(changeType)
@@ -57,7 +57,7 @@ const indent = flow(
   readonlyArray.intercalate(string.Monoid)('\n')
 );
 
-const formatErrorResult = (errorResult: TestFailedResult) => [
+const formatErrorResult = (errorResult: TestFailResult) => [
   `${c.red(c.bold(c.inverse(' FAIL ')))} ${errorResult.name}`,
   c.red(c.bold(`${errorResult.error.code}:`)),
   '',
@@ -65,9 +65,9 @@ const formatErrorResult = (errorResult: TestFailedResult) => [
   '',
 ];
 
-export const logErrorsF =
+export const logF =
   (env: { readonly console: { readonly log: (str: string) => IO<void> } }) =>
-  (res: TaskEither<readonly TestFailedResult[], undefined>) =>
+  (res: TaskEither<readonly TestFailResult[], undefined>) =>
     pipe(
       res,
       taskEither.swap,
diff --git a/src/runTests.ts b/src/runTests.ts
index 16f68bdb..7b9f3999 100644
--- a/src/runTests.ts
+++ b/src/runTests.ts
@@ -1,15 +1,13 @@
 import { boolean, either, readonlyArray, task, taskEither } from 'fp-ts';
 import type { Either } from 'fp-ts/Either';
-import { pipe } from 'fp-ts/function';
+import { identity, pipe } from 'fp-ts/function';
 import type { Task } from 'fp-ts/Task';
 import type { TaskEither } from 'fp-ts/TaskEither';
 import * as std from 'fp-ts-std';
 import * as retry from 'retry-ts';
 import { retrying } from 'retry-ts/lib/Task';
-import { modify } from 'spectacles-ts';
 import { match } from 'ts-pattern';
 
-import * as arrayTaskValidation from './arrayTaskValidation';
 import { getDiffs } from './getDiffs';
 import type {
   Assertion,
@@ -18,8 +16,10 @@ import type {
   MultipleAssertionTest,
   Test,
   TestConfig,
+  TestEitherResult,
   TestError,
-  TestFailedResult,
+  TestPassResult,
+  TestsResult,
 } from './type';
 
 const hasAnyChange = readonlyArray.foldMap(boolean.MonoidAll)((diff: Change) => diff.type === '0');
@@ -37,8 +37,7 @@ const assertEqual = (result: { readonly expected: unknown; readonly actual: unkn
   pipe(
     result,
     getDiffs,
-    either.chainW(either.fromPredicate(hasAnyChange, assertionFailed(result))),
-    either.map(() => undefined)
+    either.chainW(either.fromPredicate(hasAnyChange, assertionFailed(result)))
   );
 
 const unhandledException = (exception: unknown) => ({
@@ -56,10 +55,9 @@ const runActualAndAssert = (param: {
   );
 
 const runWithTimeout =
-  (assertion: Pick<Assertion, 'timeout'>) =>
-  (te: TaskEither<TestError, undefined>): TaskEither<TestError, undefined> =>
+  (assertion: Pick<Assertion, 'timeout'>) => (te: TaskEither<TestError, unknown>) =>
     task
-      .getRaceMonoid<Either<TestError, undefined>>()
+      .getRaceMonoid<Either<TestError, unknown>>()
       .concat(
         te,
         pipe({ code: 'timed out' as const }, taskEither.left, task.delay(assertion.timeout ?? 5000))
@@ -70,13 +68,15 @@ const runWithRetry =
   <L, R>(te: TaskEither<L, R>) =>
     retrying(test.retry ?? retry.limitRetries(0), () => te, either.isLeft);
 
-const runAssertion = (assertion: Assertion) =>
+const runAssertion = (assertion: Assertion): Task<TestsResult> =>
   pipe(
     runActualAndAssert({ actualTask: assertion.act, expectedResult: assertion.assert }),
     runWithTimeout({ timeout: assertion.timeout }),
     runWithRetry({ retry: assertion.retry }),
-    taskEither.mapLeft((error) => ({ name: assertion.name, error })),
-    arrayTaskValidation.lift
+    taskEither.bimap(
+      (error) => [either.left({ name: assertion.name, error })],
+      () => [{ name: assertion.name }]
+    )
   );
 
 const runWithConcurrency = (config: { readonly concurrency?: Concurrency }) =>
@@ -86,21 +86,55 @@ const runWithConcurrency = (config: { readonly concurrency?: Concurrency }) =>
     .with({ type: 'sequential' }, () => readonlyArray.sequence(task.ApplicativeSeq))
     .exhaustive();
 
-const runMultipleAssertion = (
-  test: MultipleAssertionTest
-): TaskEither<readonly TestFailedResult[], undefined> =>
+const foldTestResult = (r: readonly TestsResult[]): TestsResult =>
+  pipe(
+    r,
+    readonlyArray.reduce(
+      either.right<readonly TestEitherResult[], readonly TestPassResult[]>([]),
+      (acc, el) =>
+        pipe(
+          acc,
+          either.chain(
+            (accr): TestsResult =>
+              pipe(
+                el,
+                either.bimap(
+                  (ell) =>
+                    pipe(accr, readonlyArray.map(either.right), (accra) => [...accra, ...ell]),
+                  (elr) => [...accr, ...elr]
+                )
+              )
+          ),
+          either.mapLeft((accl): readonly TestEitherResult[] =>
+            pipe(el, either.match(identity, readonlyArray.map(either.right)), (newAcc) => [
+              ...accl,
+              ...newAcc,
+            ])
+          )
+        )
+    )
+  );
+
+const prependName =
+  (name: string) =>
+  <K extends { readonly name: string }>(k: K): K => ({
+    ...k,
+    name: std.string.prepend(`${name} > `),
+  });
+
+const runMultipleAssertion = (test: MultipleAssertionTest): Task<TestsResult> =>
   pipe(
     test.asserts,
     readonlyArray.map(runAssertion),
     runWithConcurrency({ concurrency: test.concurrency }),
-    arrayTaskValidation.run,
+    task.map(foldTestResult),
     taskEither.bimap(
-      readonlyArray.map(modify('name', std.string.prepend(`${test.name} > `))),
-      () => undefined
+      readonlyArray.map(either.bimap(prependName(test.name), prependName(test.name))),
+      readonlyArray.map(prependName(test.name))
     )
   );
 
-const runTest = (test: Test): TaskEither<readonly TestFailedResult[], undefined> =>
+const runTest = (test: Test): Task<TestsResult> =>
   match(test)
     .with({ assertion: 'single' }, ({ assert }) => runAssertion(assert))
     .with({ assertion: 'multiple' }, runMultipleAssertion)
@@ -108,11 +142,10 @@ const runTest = (test: Test): TaskEither<readonly TestFailedResult[], undefined>
 
 export const runTests =
   (testsWithConfig: TestConfig) =>
-  (tests: readonly Test[]): TaskEither<readonly TestFailedResult[], undefined> =>
+  (tests: readonly Test[]): Task<TestsResult> =>
     pipe(
       tests,
       readonlyArray.map(runTest),
       runWithConcurrency({ concurrency: testsWithConfig.concurrency }),
-      arrayTaskValidation.run,
-      taskEither.map(() => undefined)
+      task.map(foldTestResult)
     );
diff --git a/src/type.ts b/src/type.ts
index 3cddf05b..880a0a2a 100644
--- a/src/type.ts
+++ b/src/type.ts
@@ -1,3 +1,4 @@
+import type { Either } from 'fp-ts/Either';
 import type { Task } from 'fp-ts/Task';
 import type * as retry from 'retry-ts';
 
@@ -55,7 +56,15 @@ export type TestError =
       readonly exception: unknown;
     };
 
-export type TestFailedResult = {
+export type TestFailResult = {
   readonly name: string;
   readonly error: TestError;
 };
+
+export type TestPassResult = {
+  readonly name: string;
+};
+
+export type TestEitherResult = Either<TestFailResult, TestPassResult>;
+
+export type TestsResult = Either<readonly TestEitherResult[], readonly TestPassResult[]>;
diff --git a/test/index.ts b/test/index.ts
index fae8d1c2..580cbe85 100644
--- a/test/index.ts
+++ b/test/index.ts
@@ -4,16 +4,10 @@ import { pipe } from 'fp-ts/function';
 import * as src from '../src';
 import * as srcNode from '../src/node';
 import * as exit from './exitF';
-import * as logErrors from './logErrorsF';
+import * as log from './log';
 import * as primitive from './primitive';
 import * as timeout from './timeout';
 
-const tests = [logErrors.tests, exit.tests, timeout.tests, primitive.tests];
+const tests = [log.tests, exit.tests, timeout.tests, primitive.tests];
 
-export const main = pipe(
-  tests,
-  readonlyArray.flatten,
-  src.runTests({}),
-  src.logErrors,
-  srcNode.exit
-);
+export const main = pipe(tests, readonlyArray.flatten, src.runTests({}), src.log, srcNode.exit);
diff --git a/test/logErrorsF.ts b/test/log.ts
similarity index 97%
rename from test/logErrorsF.ts
rename to test/log.ts
index 7b883b21..0129dd7c 100644
--- a/test/logErrorsF.ts
+++ b/test/log.ts
@@ -1,7 +1,7 @@
 import { ioRef, readonlyArray, string, task } from 'fp-ts';
 import { pipe } from 'fp-ts/function';
 
-import { logErrorsF, runTests, test } from '../src';
+import { logF, runTests, test } from '../src';
 import { testW } from '../src/test';
 
 const green = '\x1b[32m';
@@ -38,7 +38,7 @@ const caseToTest = (tc: Case) =>
             }),
           ],
           runTests({}),
-          logErrorsF({ console: { log: logRef.write } })
+          logF({ console: { log: logRef.write } })
         )
       ),
       task.chainIOK((logRef) => logRef.read),