Fix unit tests for orx-gradient-descent

orx-gradient-descent/src/test/kotlin/TestDot.kt

@@ -1,4 +1,5 @@
 import org.amshove.kluent.`should be equal to`
+import org.openrndr.extra.gradientdescent.dot
 import org.spekframework.spek2.Spek
 import org.spekframework.spek2.style.specification.describe
 
@@ -13,18 +14,15 @@ object TestDot : Spek({
     describe("a matrix and a vector") {
         val a = arrayOf(doubleArrayOf(10.0))
         val b = doubleArrayOf(1.0)
-
         val d = dot(a,b)
         d[0] `should be equal to` 10.0
-
     }
+
     describe("a matrix and a vector") {
         val a = arrayOf(doubleArrayOf(1.0))
         val b = doubleArrayOf(19.99999999995339)
-
         val d = dot(a,b)
         d[0] `should be equal to` 19.99999999995339
-
     }
 
 })

orx-gradient-descent/src/test/kotlin/TestGradient.kt

@@ -1,10 +1,10 @@
 import org.amshove.kluent.`should be equal to`
 import org.amshove.kluent.`should equal`
+import org.openrndr.extra.gradientdescent.gradient
 import org.spekframework.spek2.Spek
 import org.spekframework.spek2.style.specification.describe
 
 object TestGradient : Spek({
-
     describe("a simple 1d function") {
         fun parabola(x: DoubleArray): Double {
             return x[0] * x[0]

orx-gradient-descent/src/test/kotlin/TestMinimize.kt

@@ -1,18 +1,14 @@
+import org.openrndr.extra.gradientdescent.minimize
 import org.spekframework.spek2.Spek
 import org.spekframework.spek2.style.specification.describe
 
 object TestMinimize : Spek({
-
     describe("a simple 1d function") {
         fun parabola(x: DoubleArray): Double {
             return (x[0]+1) * (x[0]+1)
         }
-
         it("it can be minimized") {
             val result = minimize(doubleArrayOf(10.0), f = ::parabola)
-            println(result.solution[0])
         }
-
     }
-
 })