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Create connecting-cities-with-minimum-cost_test.go

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	`1`	`+package connecting_cities_with_minimum_cost`
	`2`	`+`
	`3`	`+import "testing"`
	`4`	`+`
	`5`	`+func Test_minimumCost(t *testing.T) {`
	`6`	`+ type args struct {`
	`7`	`+ n int`
	`8`	`+ connections [][]int`
	`9`	`+ }`
	`10`	`+ tests := []struct {`
	`11`	`+ name string`
	`12`	`+ args args`
	`13`	`+ want int`
	`14`	`+ }{`
	`15`	`+ {`
	`16`	`+ name: "test case 1",`
	`17`	`+ args: args{`
	`18`	`+ n: 3,`
	`19`	`+ connections: [][]int{`
	`20`	`+ {1, 2, 5},`
	`21`	`+ {1, 3, 6},`
	`22`	`+ {2, 3, 1},`
	`23`	`+ },`
	`24`	`+ },`
	`25`	`+ want: 6,`
	`26`	`+ },`
	`27`	`+ {`
	`28`	`+ name: "test case 2",`
	`29`	`+ args: args{`
	`30`	`+ n: 4,`
	`31`	`+ connections: [][]int{`
	`32`	`+ {1, 2, 3},`
	`33`	`+ {3, 4, 4},`
	`34`	`+ },`
	`35`	`+ },`
	`36`	`+ want: -1,`
	`37`	`+ },`
	`38`	`+ }`
	`39`	`+ for _, tt := range tests {`
	`40`	`+ t.Run(tt.name, func(t *testing.T) {`
	`41`	`+ if got := minimumCost(tt.args.n, tt.args.connections); got != tt.want {`
	`42`	`+ t.Errorf("minimumCost() = %v, want %v", got, tt.want)`
	`43`	`+ }`
	`44`	`+ })`
	`45`	`+ }`
	`46`	`+}`

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