Tests: Added strict checks for Prism.languages.extend

[RunDevelopment]

This adds a check for the best practice for the token order in the redef object that I outlined here. Tests will now fail if best practices aren't followed.

I tried to make the error message as descriptive as possible:

  90) Testing language 'mongodb'
       – should pass test case 'string_url_and_ip_feature':
     Error: The tokens in the redef object that overwrite existing tokens of
the extended language should be in the order of the existing tokens. The tokens
'number', 'function' should be in the order 'function', 'number'.

Actual method call (nonconforming):

        Prism.languages.extend('clike', {
                'class-name': [ ... 2 element(s) ],
                'keyword': [ ... 2 element(s) ],
                'number': RegExp,
                'function': RegExp,
                'operator': RegExp,
        });

For more information see: https://prismjs.com/docs/Prism.languages.html#.extend

---

There is one exception to this check: if the redef object is the clone of another language, then the order of properties won't be checked. This is because we don't have control over the property order in this case.
One might argue that this just letting bugs slip through (I would argue that) but for now it's the easiest solution just to ignore them. They haven't caused any trouble yet.

[github-actions]

JS File Size Changes (gzipped)

A total of 16 files have changed, with a combined diff of -5 B (-0.0%).

file	master	pull	size diff	% diff
components/prism-arduino.min.js	2 KB	1.99 KB	-3 B	-0.2%
components/prism-birb.min.js	398 B	399 B	+1 B	+0.3%
components/prism-c.min.js	887 B	886 B	-1 B	-0.1%
components/prism-d.min.js	1.22 KB	1.22 KB	+2 B	+0.2%
components/prism-gml.min.js	3.73 KB	3.74 KB	+1 B	+0.0%
components/prism-go.min.js	496 B	500 B	+4 B	+0.8%
components/prism-javascript.min.js	1.3 KB	1.29 KB	-1 B	-0.1%
components/prism-jolie.min.js	765 B	768 B	+3 B	+0.4%
components/prism-objectivec.min.js	441 B	441 B	0 Bytes	0%
components/prism-opencl.min.js	4.15 KB	4.15 KB	-5 B	-0.1%
components/prism-qore.min.js	596 B	596 B	0 Bytes	0%
components/prism-scala.min.js	482 B	484 B	+2 B	+0.4%
components/prism-sparql.min.js	629 B	629 B	0 Bytes	0%
components/prism-sqf.min.js	11.03 KB	11.02 KB	-15 B	-0.1%
components/prism-vala.min.js	983 B	987 B	+4 B	+0.4%
components/prism-vbnet.min.js	935 B	938 B	+3 B	+0.3%

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