Made style changes

According to Clang again...

Author: J-manLans

src/test/java/com/thealgorithms/datastructures/trees/AVLSimpleTest.java

@@ -35,11 +35,13 @@ void tearDown() {
     ======================== */
 
     String getExpectedTree() {
-        return """
+        String tree = """
           10=>20<=30
           END=>10<=END
           END=>30<=END
-          2""".replace("\n", "");
+          2""";
+
+        return tree.replace("\n", "");
     }
 
     String getActualTree() {

src/test/java/com/thealgorithms/maths/MathBuilderTest.java

@@ -113,7 +113,6 @@ void runtimeErrorTest() {
         Assertions.assertAll(randCheck, rangeCheck, piCheck, eCheck, setCheck);
     }
 
-
     @Test
     @DisplayName("Should divide 10 by 2")
     void divideByNum() {
@@ -138,7 +137,6 @@ void divideDoubleByZero(double expected, MathBuilder.Builder actual, String erro
         Assertions.assertAll(noThrowOnBuild, noThrowOnDivideZero, resultIsInfinite, equalsExpected);
     }
 
-
     static List<Arguments> divideDoubleByZeroHelper() {
         return List.of(Arguments.of(Double.POSITIVE_INFINITY, new MathBuilder.Builder(10.5).openParenthesis(0).closeParenthesisAndDivide(), "10.5 / 0 should be +Infinity"),
             Arguments.of(Double.NEGATIVE_INFINITY, new MathBuilder.Builder(-10.5).openParenthesis(0).closeParenthesisAndDivide(), "-10.5 / 0 should be -Infinity"));
@@ -159,7 +157,6 @@ void randomFunctionsTest() {
         Assertions.assertAll(isBelowMax, isAboveMin, isWithinRange);
     }
 
-
     @ParameterizedTest
     @MethodSource("radiansHelper")
     void toRadiansTests(double expectedAngle, double actualAngle) {
@@ -244,5 +241,4 @@ void minTest() {
 
         Assertions.assertAll(minCheck1, minCheck2, minCheck3, minCheck4, notEqualsCheck1, notEqualsCheck2);
     }
-
 }