@@ -91,7 +91,7 @@ public function testParseSeriesException($series)
9191 Parser::parseSeries ($ function ->getArguments ());
9292 }
9393
94- public function getParserTestData ()
94+ public static function getParserTestData ()
9595 {
9696 return [
9797 ['* ' , ['Element[*] ' ]],
@@ -149,7 +149,7 @@ public function getParserTestData()
149149 ];
150150 }
151151
152- public function getParserExceptionTestData ()
152+ public static function getParserExceptionTestData ()
153153 {
154154 return [
155155 ['attributes(href)/html/body/a ' , SyntaxErrorException::unexpectedToken ('selector ' , new Token (Token::TYPE_DELIMITER , '( ' , 10 ))->getMessage ()],
@@ -179,7 +179,7 @@ public function getParserExceptionTestData()
179179 ];
180180 }
181181
182- public function getPseudoElementsTestData ()
182+ public static function getPseudoElementsTestData ()
183183 {
184184 return [
185185 ['foo ' , 'Element[foo] ' , '' ],
@@ -201,7 +201,7 @@ public function getPseudoElementsTestData()
201201 ];
202202 }
203203
204- public function getSpecificityTestData ()
204+ public static function getSpecificityTestData ()
205205 {
206206 return [
207207 ['* ' , 0 ],
@@ -229,7 +229,7 @@ public function getSpecificityTestData()
229229 ];
230230 }
231231
232- public function getParseSeriesTestData ()
232+ public static function getParseSeriesTestData ()
233233 {
234234 return [
235235 ['1n+3 ' , 1 , 3 ],
@@ -251,7 +251,7 @@ public function getParseSeriesTestData()
251251 ];
252252 }
253253
254- public function getParseSeriesExceptionTestData ()
254+ public static function getParseSeriesExceptionTestData ()
255255 {
256256 return [
257257 ['foo ' ],
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