fix: resolve lint errors in truncbf tests

- Remove trailing whitespace from test.js
- Add overflow test to test.native.js for consistency
- Ensure both test files follow linting rules

Author: Amansingh0807

lib/node_modules/@stdlib/math/base/special/truncbf/test/test.js

@@ -150,13 +150,13 @@ tape( 'the function returns -infinity if provided -infinity', function test( t )
 
 tape( 'the function handles scale factor overflow gracefully', function test( t ) {
 	var v;
-	
+
 	// When b^n overflows to Infinity, should return x unchanged
 	v = truncbf( 3.14, 40, 10 );
 	t.strictEqual( v, float64ToFloat32( 3.14 ), 'handles large exponent' );
-	
+
 	v = truncbf( -2.5, 50, 10 );
 	t.strictEqual( v, float64ToFloat32( -2.5 ), 'handles large exponent with negative x' );
-	
+
 	t.end();
 });

lib/node_modules/@stdlib/math/base/special/truncbf/test/test.native.js

@@ -155,3 +155,17 @@ tape( 'the function returns -infinity if provided -infinity', opts, function tes
 	t.strictEqual( v, NINF, 'returns expected value' );
 	t.end();
 });
+
+tape( 'the function handles scale factor overflow gracefully', opts, function test( t ) {
+	var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
+	var v;
+
+	// When b^n overflows to Infinity, should return x unchanged
+	v = truncbf( 3.14, 40, 10 );
+	t.strictEqual( v, float64ToFloat32( 3.14 ), 'handles large exponent' );
+
+	v = truncbf( -2.5, 50, 10 );
+	t.strictEqual( v, float64ToFloat32( -2.5 ), 'handles large exponent with negative x' );
+
+	t.end();
+});