Fix value stability tests

Author: vks

rand_distr/tests/value_stability.rs

@@ -203,12 +203,12 @@ fn gamma_stability() {
     // Beta has two special cases:
     //
     // 1. min(alpha, beta) <= 1
-    // 2. min(alpha, beta > 1
+    // 2. min(alpha, beta) > 1
     test_samples(223, Beta::new(1.0, 0.8).unwrap(), &[
-        0.2958284085602274,
-        0.9384411906056516,
-        0.3151361582723264,
-        0.6150273348630618,
+        0.8300703726659456,
+        0.8134131062097899,
+        0.47912589330631555,
+        0.25323238071138526,
     ]);
     test_samples(223, Beta::new(3.0, 1.2).unwrap(), &[
         0.49563509121756827,