Update diagnostic tests

Author: aibaars

ruby/ql/test/query-tests/diagnostics/ExtractionErrors.expected

@@ -1,2 +1,4 @@
 | src/not_ruby.rb:5:25:5:26 | parse error | Extraction failed in src/not_ruby.rb with error parse error | 2 |
-| src/unsupported_feature.rb:1:6:2:11 | parse error | Extraction failed in src/unsupported_feature.rb with error parse error | 2 |
+| src/unsupported_feature.rb:2:1:2:4 | parse error | Extraction failed in src/unsupported_feature.rb with error parse error | 2 |
+| src/unsupported_feature.rb:3:7:3:7 | parse error | Extraction failed in src/unsupported_feature.rb with error parse error | 2 |
+| src/unsupported_feature.rb:3:14:3:14 | parse error | Extraction failed in src/unsupported_feature.rb with error parse error | 2 |

ruby/ql/test/query-tests/diagnostics/src/unsupported_feature.rb

@@ -1,3 +1,3 @@
-case foo
-  in 3 then 5
-end
+# one line pattern matches
+5 in 3
+[1,2] => [x, *]