Update test coverage

src/main/java/com/mattrixwv/matrix/BigIntegerMatrix.java

@@ -1,7 +1,7 @@
 //Matrix/src/main/java/com/mattrixwv/BigIntegerMatrix.java
 //Mattrixwv
 // Created: 02-10-22
-//Modified: 06-30-22
+//Modified: 06-30-23
 package com.mattrixwv.matrix;
 
 
@@ -68,14 +68,14 @@ public class BigIntegerMatrix{
 	}
 	//Returns a matrix with the supplied row and column removed
 	protected BigIntegerMatrix laplaceExpansionHelper(int row, int col){
-		//Make sure the matrix is square
-		if(!isSquare()){
-			throw new InvalidGeometryException("A matrix must be square for you to perform Laplace Expansion");
-		}
 		//Make sure the matrix is large enough to have this operation performed
 		if((getNumRows() <= 1) || (getNumCols() <= 1)){
 			throw new InvalidGeometryException("A matrix must be at least 2x2 for you to perform Laplace Expansion: " + getNumRows() + "x" + getNumCols());
 		}
+		//Make sure the matrix is square
+		if(!isSquare()){
+			throw new InvalidGeometryException("A matrix must be square for you to perform Laplace Expansion");
+		}
 		//Make sure the row is valid
 		if((row < 0) || (row >= getNumRows())){
 			throw new InvalidCoordinatesException("An invalid row number was supplied: " + row + ". The matrix contains " + getNumRows() + " rows");