fix: failing tests

Author: keshavdandeva

google-cloud-bigquery-jdbc/src/main/java/com/google/cloud/bigquery/jdbc/BigQueryJdbcUrlUtility.java

@@ -710,7 +710,7 @@ private static Map<String, String> parseUrlInternal(String url) {
             String.format("Wrong value or unknown setting: %s", safeRef));
       }
 
-      map.put(PROPERTY_NAME_MAP.get(key), CharEscapers.decodeUriPath(kv[1]));
+      map.put(PROPERTY_NAME_MAP.get(key), CharEscapers.decodeUriPath(kv[1].replace("+", "%2B")));
     }
     return Collections.unmodifiableMap(map);
   }

google-cloud-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/BigQueryJdbcOAuthUtilityTest.java

@@ -49,6 +49,18 @@ public class BigQueryJdbcOAuthUtilityTest extends BigQueryJdbcBaseTest {
           + USER_AUTH_PORT
           + "&scope=https://www.googleapis.com/auth/bigquery&state=test_state&access_type=offline&prompt=consent&login_hint=test_user&include_granted_scopes=true";
 
+  @Test
+  public void testParseOAuthPropsWithSpecialChars() {
+    Map<String, String> result =
+        BigQueryJdbcOAuthUtility.parseOAuthProperties(
+            DataSource.fromUrl(
+                "jdbc:bigquery://https://www.googleapis.com/bigquery/v2:443;"
+                    + "ProjectId=MyProject;OAuthType=0;OAuthServiceAcctEmail=dummy@email.com;"
+                    + "OAuthPvtKey=Key+With+Plus;"),
+            null);
+    assertEquals("Key+With+Plus", result.get("OAuthPvtKey"));
+  }
+
   @Test
   public void testParseOAuthPropsForAuthType0KeyfileOnly() {
     Map<String, String> result =