refactor: Extract Variable so we can demonstrate the operation being tested clearly.

Author: hemalvarambhia

src/Math-Tests-Polynomials/PMPolynomialTest.class.st

@@ -213,19 +213,21 @@ PMPolynomialTest >> testPolynomialNumberDivision [
 { #category : #'testing - multiplication' }
 PMPolynomialTest >> testPolynomialNumberMultiplication [
 
-	| product expected |
-	product := 2 * (PMPolynomial coefficients: #( 2 -3 1 )).
-	
+	| product expected p |
+	p := PMPolynomial coefficients: #( 2 -3 1 ).
+	product := 2 * p.
+
 	expected := PMPolynomial coefficients: #( 4 -6 2 ).
 	self assert: product equals: expected
 ]
 
 { #category : #'testing - multiplication' }
 PMPolynomialTest >> testPolynomialNumberMultiplicationInverse [
 
-	| product expected |
-	product := (PMPolynomial coefficients: #( 2 -3 1 )) * 2.
-	
+	| product expected p |
+	p := PMPolynomial coefficients: #( 2 -3 1 ).
+	product := p * 2.
+
 	expected := PMPolynomial coefficients: #( 4 -6 2 ).
 	self assert: product equals: expected
 ]