Reduce line length and simplify PHPCS rule set

Author: thiemowmde

.phpcs.xml

@@ -4,22 +4,17 @@
 
 	<rule ref="Generic.Files.LineLength">
 		<properties>
-			<property name="lineLimit" value="116" />
+			<property name="lineLimit" value="115" />
 		</properties>
 	</rule>
 
 	<!-- Metrics are intentionally not part of the base Wikibase CodeSniffer rule set. -->
 	<rule ref="Generic.Metrics.CyclomaticComplexity" />
 	<rule ref="Generic.Metrics.NestingLevel" />
 
-	<rule ref="Generic.NamingConventions.CamelCapsFunctionName">
-		<!-- Exclude test methods like "testGivenInvalidInput_methodThrowsException". -->
-		<exclude-pattern>tests*Test*\.php</exclude-pattern>
-	</rule>
 	<rule ref="PSR1.Files.SideEffects">
 		<exclude-pattern>WikibaseDataModel\.php</exclude-pattern>
 	</rule>
-	<rule ref="Squiz.Arrays.ArrayBracketSpacing" />
 	<rule ref="Squiz.Strings.DoubleQuoteUsage">
 		<exclude name="Squiz.Strings.DoubleQuoteUsage.ContainsVar" />
 	</rule>

tests/unit/ReferenceListTest.php

@@ -125,7 +125,8 @@ public function testGivenCloneOfReferenceInList_hasReferenceReturnsTrue() {
 
 		$this->assertTrue(
 			$list->hasReference( $sameReference ),
-			'hasReference should return true when a reference with the same value is present, even when its another instance'
+			'hasReference should return true when a reference with the same value is present, even '
+				. 'when its another instance'
 		);
 	}