Modify FloatToDecimalTest, DoubleToDecimalTest to limit test run lengths

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/core/io/schubfach/DoubleToDecimalTest.java

@@ -141,6 +141,7 @@ void testHardValues() {
 
     @Test
     void randomNumberTests() {
-        DoubleToDecimalChecker.randomNumberTests(1_000_000, new Random());
+        // 29-Nov-2022, tatu: Reduce from 1M due to slowness
+        DoubleToDecimalChecker.randomNumberTests(250_000, new Random());
     }
 }

src/test/java/com/fasterxml/jackson/core/io/schubfach/FloatToDecimalTest.java

@@ -110,7 +110,9 @@ void testPaxson() {
      */
     @Test
     void testInts() {
-        for (int i = 1; i < 1 << P - 1; ++i) {
+        // 29-Nov-2022, tatu: Reduce from original due to slowness
+        // for (int i = 1; i < 1 << P - 1; ++i) {
+        for (int i = 1; i < 1 << P - 1; i += 3) {
             toDec(i);
         }
     }