add core/float/== spec

test/test-android/app/core/float/equal_value_spec.rb

@@ -0,0 +1,18 @@
+class Core_Float_EqualValue_Mock1 < Java::Lang::Object
+  def ==(obj)
+    2.0 == obj
+  end
+end
+
+describe "Float#==" do
+  it "returns true if self has the same value as other" do
+    (1.0 == 1).should == true
+    (2.71828 == 1.428).should == false
+    (-4.2 == 4.2).should == false
+  end
+
+  it "calls 'other == self' if coercion fails" do
+    (1.0 == Core_Float_EqualValue_Mock1.new).should == false
+    (2.0 == Core_Float_EqualValue_Mock1.new).should == true
+  end
+end