diff --git a/tests/PHPStan/Analyser/nsrt/pipe-operator.php b/tests/PHPStan/Analyser/nsrt/pipe-operator.php
index 7ea5b450e3..38e3023730 100644
--- a/tests/PHPStan/Analyser/nsrt/pipe-operator.php
+++ b/tests/PHPStan/Analyser/nsrt/pipe-operator.php
@@ -58,13 +58,13 @@ public function doBaz(): void
 			assertType('int<1, max>', $x);
 		};
 
-		doFoo() |> fn ($x) => assertType('int<1, max>', $x);
+		doFoo() |> (fn ($x) => assertType('int<1, max>', $x));
 
 		doFoo() |> function (int $x) {
 			assertType('int<1, max>', $x);
 		};
 
-		doFoo() |> fn (int $x) => assertType('int<1, max>', $x);
+		doFoo() |> (fn (int $x) => assertType('int<1, max>', $x));
 	}
 
 	public function doBaz2(): void
@@ -144,16 +144,16 @@ public function doArrayFilter(array $ints): void
 				return true;
 			});
 		});
-		assertType('array<int<1, max>>', $ints |> fn ($x) => array_filter($x, function ($i) {
+		assertType('array<int<1, max>>', $ints |> (fn ($x) => array_filter($x, function ($i) {
 			assertType('int<1, max>', $i);
 
 			return true;
-		}));
-		assertType('array<int<1, max>>', $ints |> fn (array $x) => array_filter($x, function (int $i) {
+		})));
+		assertType('array<int<1, max>>', $ints |> (fn (array $x) => array_filter($x, function (int $i) {
 			assertType('int<1, max>', $i);
 
 			return true;
-		}));
+		})));
 		assertType('array<0|1|2, 1|2|3>', (function (array $x) {
 			assertType('array{1, 2, 3}', $x);
 			return array_filter($x, function (int $i) {
@@ -220,8 +220,8 @@ public function testConditional(): void
 		assertType('null', null |> $this->doConditional(...));
 		assertType('int', 'foo' |> $this->doConditional(...));
 
-		assertType('null', null |> fn($x) => $this->doConditional($x));
-		assertType('int', 'foo' |> fn($x) => $this->doConditional($x));
+		assertType('null', null |> (fn($x) => $this->doConditional($x)));
+		assertType('int', 'foo' |> (fn($x) => $this->doConditional($x)));
 	}
 
 	/**
@@ -239,8 +239,8 @@ public function testGenerics(): void
 		assertType(stdClass::class, new stdClass() |> $this->doGenerics(...));
 		assertType(stdClass::class, new stdClass() |> $this->doGenerics(...));
 
-		assertType(stdClass::class, new stdClass() |> fn($x) => $this->doGenerics($x));
-		assertType(stdClass::class, new stdClass() |> fn($x) => $this->doGenerics($x));
+		assertType(stdClass::class, new stdClass() |> (fn($x) => $this->doGenerics($x)));
+		assertType(stdClass::class, new stdClass() |> (fn($x) => $this->doGenerics($x)));
 
 		assertType('null', null |> $this->doConditional(...) |> $this->doGenerics(...));
 		assertType('int', 'foo' |> $this->doConditional(...) |> $this->doGenerics(...));
diff --git a/tests/PHPStan/Rules/Functions/data/function-call-statement-result-discarded.php b/tests/PHPStan/Rules/Functions/data/function-call-statement-result-discarded.php
index a6622b80fe..b2445f96ce 100644
--- a/tests/PHPStan/Rules/Functions/data/function-call-statement-result-discarded.php
+++ b/tests/PHPStan/Rules/Functions/data/function-call-statement-result-discarded.php
@@ -63,7 +63,7 @@ function canDiscard(int $i): int
 (void) 5 |> withSideEffects(...);
 (void) 5 |> canDiscard(...);
 
-5 |> fn ($x) => withSideEffects($x);
-5 |> fn ($x) => canDiscard($x);
-(void) 5 |> fn ($x) => withSideEffects($x);
-(void) 5 |> fn ($x) => canDiscard($x);
+5 |> (fn ($x) => withSideEffects($x));
+5 |> (fn ($x) => canDiscard($x));
+(void) 5 |> (fn ($x) => withSideEffects($x));
+(void) 5 |> (fn ($x) => canDiscard($x));
diff --git a/tests/PHPStan/Rules/Methods/data/method-call-statement-result-discarded.php b/tests/PHPStan/Rules/Methods/data/method-call-statement-result-discarded.php
index 6c1c3f0873..378d7afa45 100644
--- a/tests/PHPStan/Rules/Methods/data/method-call-statement-result-discarded.php
+++ b/tests/PHPStan/Rules/Methods/data/method-call-statement-result-discarded.php
@@ -49,7 +49,7 @@ public function canDiscard(): array {
 (void) 5 |> $o->instanceMethod(...);
 (void) 5 |> $foo->canDiscard(...);
 
-5 |> fn ($x) => $o->instanceMethod($x);
-5 |> fn ($x) => $foo->canDiscard($x);
-(void) 5 |> fn ($x) => $o->instanceMethod($x);
-(void) 5 |> fn ($x) => $foo->canDiscard($x);
+5 |> (fn ($x) => $o->instanceMethod($x));
+5 |> (fn ($x) => $foo->canDiscard($x));
+(void) 5 |> (fn ($x) => $o->instanceMethod($x));
+(void) 5 |> (fn ($x) => $foo->canDiscard($x));
diff --git a/tests/PHPStan/Rules/Methods/data/static-method-call-statement-result-discarded.php b/tests/PHPStan/Rules/Methods/data/static-method-call-statement-result-discarded.php
index 7b74836147..7f821ec394 100644
--- a/tests/PHPStan/Rules/Methods/data/static-method-call-statement-result-discarded.php
+++ b/tests/PHPStan/Rules/Methods/data/static-method-call-statement-result-discarded.php
@@ -45,7 +45,7 @@ public static function canDiscard(): array {
 (void) 5 |> ClassWithStaticSideEffects::staticMethod(...);
 (void) 5 |> Foo::canDiscard(...);
 
-5 |> fn ($x) => ClassWithStaticSideEffects::staticMethod($x);
-5 |> fn ($x) => Foo::canDiscard($x);
-(void) 5 |> fn ($x) => ClassWithStaticSideEffects::staticMethod($x);
-(void) 5 |> fn ($x) => Foo::canDiscard($x);
+5 |> (fn ($x) => ClassWithStaticSideEffects::staticMethod($x));
+5 |> (fn ($x) => Foo::canDiscard($x));
+(void) 5 |> (fn ($x) => ClassWithStaticSideEffects::staticMethod($x));
+(void) 5 |> (fn ($x) => Foo::canDiscard($x));