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test: add self-tests for determinant algorithm

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	`1`	`+import { determinant } from '../Determinant'`
	`2`	`+describe('Determinant', () => {`
	`3`	`+ const testCases = [`
	`4`	`+ [`
	`5`	`+ [`
	`6`	`+ [8, 1, 6],`
	`7`	`+ [1, 2, 3],`
	`8`	`+ [4, 7, 5]`
	`9`	`+ ],`
	`10`	`+ -87`
	`11`	`+ ],`
	`12`	`+ [`
	`13`	`+ [`
	`14`	`+ [2, 1, 0, 2],`
	`15`	`+ [1, 2, 4, 3],`
	`16`	`+ [0, 4, 7, 5],`
	`17`	`+ [4, 7, 9, 8]`
	`18`	`+ ],`
	`19`	`+ 25`
	`20`	`+ ],`
	`21`	`+ [`
	`22`	`+ [`
	`23`	`+ [5, 9],`
	`24`	`+ [3, 7]`
	`25`	`+ ],`
	`26`	`+ 8`
	`27`	`+ ],`
	`28`	`+ [`
	`29`	`+ [`
	`30`	`+ [7, 5, 1, 4, 3],`
	`31`	`+ [6, 8, 7, 9, 6],`
	`32`	`+ [9, 8, 0, 4, 7],`
	`33`	`+ [0, 3, 4, 7, 9],`
	`34`	`+ [3, 6, 2, 8, 8]`
	`35`	`+ ],`
	`36`	`+ 2476`
	`37`	`+ ],`
	`38`	`+ [[[23]], 23],`
	`39`	`+ [`
	`40`	`+ [`
	`41`	`+ [1, 6],`
	`42`	`+ [1, 2, 3],`
	`43`	`+ [4, 7, 5]`
	`44`	`+ ],`
	`45`	`+ 'Square matrix is required.'`
	`46`	`+ ],`
	`47`	`+ [[1, 3, 2, [5, 8, 6], 3], 'Input is not a valid 2D matrix.']`
	`48`	`+ ]`
	`49`	`+`
	`50`	`+ test.each(testCases)(`
	`51`	`+ 'Should return the determinant of the square matrix.',`
	`52`	`+ (matrix, expected) => {`
	`53`	`+ expect(determinant(matrix)).toEqual(expected)`
	`54`	`+ }`
	`55`	`+ )`
	`56`	`+})`

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