Use more specific node-type

Author: staabm

src/Rules/PHPUnit/AssertSameBooleanExpectedRule.php

@@ -3,6 +3,7 @@
 namespace PHPStan\Rules\PHPUnit;
 
 use PhpParser\Node;
+use PhpParser\Node\Expr\CallLike;
 use PhpParser\Node\Expr\ConstFetch;
 use PhpParser\NodeAbstract;
 use PHPStan\Analyser\Scope;
@@ -18,7 +19,7 @@ class AssertSameBooleanExpectedRule implements Rule
 
 	public function getNodeType(): string
 	{
-		return NodeAbstract::class;
+		return CallLike::class;
 	}
 
 	public function processNode(Node $node, Scope $scope): array

src/Rules/PHPUnit/AssertSameNullExpectedRule.php

@@ -3,6 +3,7 @@
 namespace PHPStan\Rules\PHPUnit;
 
 use PhpParser\Node;
+use PhpParser\Node\Expr\CallLike;
 use PhpParser\Node\Expr\ConstFetch;
 use PhpParser\NodeAbstract;
 use PHPStan\Analyser\Scope;
@@ -18,7 +19,7 @@ class AssertSameNullExpectedRule implements Rule
 
 	public function getNodeType(): string
 	{
-		return NodeAbstract::class;
+		return CallLike::class;
 	}
 
 	public function processNode(Node $node, Scope $scope): array

src/Rules/PHPUnit/AssertSameWithCountRule.php

@@ -4,6 +4,7 @@
 
 use Countable;
 use PhpParser\Node;
+use PhpParser\Node\Expr\CallLike;
 use PhpParser\NodeAbstract;
 use PHPStan\Analyser\Scope;
 use PHPStan\Rules\Rule;
@@ -19,7 +20,7 @@ class AssertSameWithCountRule implements Rule
 
 	public function getNodeType(): string
 	{
-		return NodeAbstract::class;
+		return CallLike::class;
 	}
 
 	public function processNode(Node $node, Scope $scope): array