@@ -93,7 +93,7 @@ public function testParseSeriesException($series)
9393 Parser::parseSeries ($ function ->getArguments ());
9494 }
9595
96- public function getParserTestData ()
96+ public static function getParserTestData ()
9797 {
9898 return [
9999 ['* ' , ['Element[*] ' ]],
@@ -151,7 +151,7 @@ public function getParserTestData()
151151 ];
152152 }
153153
154- public function getParserExceptionTestData ()
154+ public static function getParserExceptionTestData ()
155155 {
156156 return [
157157 ['attributes(href)/html/body/a ' , SyntaxErrorException::unexpectedToken ('selector ' , new Token (Token::TYPE_DELIMITER , '( ' , 10 ))->getMessage ()],
@@ -181,7 +181,7 @@ public function getParserExceptionTestData()
181181 ];
182182 }
183183
184- public function getPseudoElementsTestData ()
184+ public static function getPseudoElementsTestData ()
185185 {
186186 return [
187187 ['foo ' , 'Element[foo] ' , '' ],
@@ -203,7 +203,7 @@ public function getPseudoElementsTestData()
203203 ];
204204 }
205205
206- public function getSpecificityTestData ()
206+ public static function getSpecificityTestData ()
207207 {
208208 return [
209209 ['* ' , 0 ],
@@ -231,7 +231,7 @@ public function getSpecificityTestData()
231231 ];
232232 }
233233
234- public function getParseSeriesTestData ()
234+ public static function getParseSeriesTestData ()
235235 {
236236 return [
237237 ['1n+3 ' , 1 , 3 ],
@@ -253,7 +253,7 @@ public function getParseSeriesTestData()
253253 ];
254254 }
255255
256- public function getParseSeriesExceptionTestData ()
256+ public static function getParseSeriesExceptionTestData ()
257257 {
258258 return [
259259 ['foo ' ],
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